By the time Shion Arakiba reached Yomigashima, the last royal retrieval squad had been missing for nine days, and their emergency flare was still burning above the island.
That was the first thing that made the sailors stop joking. A flare was supposed to burn for ten minutes, maybe twenty if the enchantment was expensive and the mage who made it was showing off. This one had been hanging over the eastern fog belt for more than a week, a red dot pulsing above the black cliffs like the island had swallowed the soldiers and kept their signal alive just to be rude about it. The captain of the cutter looked at the light once, crossed himself in the old sea-prayer, and ordered the ship to stop far from shore.
Shion did not raise his voice. He rarely did. “The royal charter requires this vessel to support plague retrieval operations.”
The captain gave him the tired look of a man who had seen nobles write brave documents from very safe rooms. “The royal charter can row the rest of the way, Sir Arakiba.”
The deck went quiet after that. Some men looked at Shion’s sword instead of his face. That was usually smarter. The blade at his hip was wrapped in black sealing paper, tied with thin silver cords and marked with a curse script most soldiers only saw on execution orders. The Kagegiri Order did not send loud heroes. It sent quiet men with clean boots, dead eyes, and weapons that made priests pretend to be busy.
Shion stepped into the small boat without another word.
The island waited ahead of him, half-hidden behind the fog belt. Yomigashima was not just a prison island. Prison implied walls, guards, rules, meals, paperwork. Yomigashima was where Kagetsu threw people when it wanted the sea to finish the sentence. Cursed soldiers. failed nobles, demon-touched prisoners, heretics with inconvenient witnesses, assassins who knew too many names, and political mistakes still breathing when the palace became tired of seeing them. Officially, exile there was mercy. Unofficially, it was an execution where the kingdom did not have to pay for a coffin.
And somewhere in that place lived Shiori Tsukikage.
The Lazy Witch.
Twenty years ago, that name had been whispered in court like a stain. Shiori had been born into a noble branch family, educated in mana theory, and expected to become a decorative genius — the kind of woman who smiled at banquets, married well, and let important men quote her research badly. Instead, she forgot meals because experiments ran late. She skipped noble gatherings because sick servants mattered more than tea ceremonies. She answered ministers honestly, which in the royal capital was basically a form of violence. When asked why she ignored the Spring Moon Banquet, she said the truth: because listening to aristocrats compare silk sleeves did less for civilization than watching mold grow on a dead mana rat.
Court ladies called her unpleasant. Young nobles called her lazy because she refused to perform elegance for people she did not respect. Her family called her difficult in public and expensive in private. And then the Great Mana Tower began showing symptoms.
The Great Mana Tower was Kagetsu’s pride, a giant royal project built in the capital to circulate purified mana through healing temples, noble estates, barrier walls, military workshops, and enchanted roads. The official story called it the heart of the kingdom’s future. Shiori studied the flow lines and saw something uglier. The tower was not cleansing mana. It was pressurizing corrupted flow and pushing it into the city’s channels. It made weak illnesses worse. It made healing spells recoil inside the body. It caused mana stones to blacken from the center outward. She warned the tower committee four times.
The committee smiled the way powerful men smile when a woman is correct and they hate the cost of admitting it.
Then they framed her for sabotage.
The trial lasted less than an afternoon. Her family disowned her before sunset. Her engagement vanished so quickly it almost deserved applause. Her old friends learned that silence could be worn like armor. By dawn, Shiori Tsukikage was on a prison barge headed for Yomigashima, still in her trial robes, still asking for her research notes, still naive enough to think one honest person in the room might matter.
She did not die there.
That was why Shion had been sent.
The Mana Stagnation Plague had reached the capital. For months, the poor districts had been coughing gray phlegm into rags while royal doctors blamed dirty wells and cheap charms. Then a duke’s heir collapsed during a court banquet, and the name of the disease changed from “lower-city fever” to “national emergency” before dessert was cleared. Healing spells failed. Mana channels hardened inside living bodies. Priests poured holy light into patients and watched it curdle gray under the skin. The royal physicians searched sealed archives for anything similar and found Shiori’s old report. Every symptom matched. Every warning she had written had become a body in a bed.
So the kingdom that buried her name finally needed her hands.
The fog swallowed Shion’s boat halfway to shore.
The water changed first. It stopped behaving like water and started moving like something under a blanket. The small boat rocked once. Then twice. Shion’s hand rested on his sword.
A pale hand gripped the side of the boat.
The sea wraith rose without a splash, all stretched skin, rope-like hair, and a mouth wide enough to bite through a child’s head. Another surfaced behind it. Then three more. Old drowned things, probably from wrecked prison barges, still hungry after losing the ability to remember why.
Shion drew half an inch of steel.
The shadow beneath the boat sharpened.
The first wraith split apart before its fingers finished closing. The second came from behind, and Shion drove the pommel into its mask so hard the curse core cracked with a dry pop. A third tried to drag the boat sideways. Shion looked down at it and said, “Move.”
His shadow rose out of the water like a black hand and pulled the creature under.
That was Shion Arakiba’s entire style. No shouting, no dramatic threat, no wasting breath to sound impressive. He killed like he was correcting an error. By the time the boat scraped against black sand, seven wraiths had dissolved into the tide, and Shion’s cloak was barely wet.
The beach was empty except for a crooked wooden sign nailed to a salt-burned post.
WELCOME TO YOMIGASHIMA.
Under it, someone had painted a second message in white:
IF YOU CAME TO ARREST THE WITCH, PLEASE TAKE A NUMBER.
There were twelve tally marks scratched beneath the sentence. A thirteenth had been started, then crossed out, then replaced with a small drawing of a sleeping cat.
Shion stared at it for a moment.
A voice from the broken shrine near the rocks said, “Actually, it’s thirteen if we count the guy who apologized and ran away.”
Three island criminals watched him from behind a collapsed torii gate. They were rough, thin, sunburned, and too nervous to be proper bandits. One had a scar splitting his left eyebrow. One carried a spear made from monster bone. The third held a basket of mushrooms with the careful grip of someone carrying explosives, medicine, or dinner. On Yomigashima, those categories probably overlapped.
Shion turned. “Where is Shiori Tsukikage?”
The scarred man laughed once out of habit, then saw Shion’s face and decided comedy was a luxury item. “East ridge. Old observatory. Follow the blue flowers. Don’t step on the red ones. Don’t smell the white ones. If a rabbit with antlers bows at you, bow back.”
Shion waited.
The man raised his hands. “I’m not being cute. Island rules.”
“Where is the royal retrieval squad?”
The three criminals looked at each other.
The mushroom man pointed inland. “Some of their armor is in the scarecrows.”
Shion’s eyes narrowed by a fraction.
The scarred man noticed and spoke faster. “They’re alive. Mostly fine. The witch doesn’t kill palace men unless they make it boring. She turned them into farm labor.”
“Farm labor.”
“They woke her during a nap,” the spear carrier said, like that explained the legal framework.
Shion began walking toward the ridge. Behind him, the scarred criminal called out, “If she offers tea, drink it. If the cat offers tea, run.”
The road inland was less a road and more a suggestion the island had not fully accepted. Dead trees bent over the path. Old prison cages hung open from iron hooks, their chains clicking even when there was no wind. Something large moved under the soil beside Shion for almost a minute, tracking him, then apparently decided he looked annoying to digest and left. He kept following the blue flowers because they were the only living things on the path arranged with human intention, and intention meant information.
The first scarecrow appeared in a field below the ridge.
It wore royal armor.
A palace helmet hung from its wooden head. A silver-trimmed sword had been tied across its arms. A note was pinned to the chest plate.
ATTEMPTED ABDUCTION. POOR MANNERS. WATERING DUTY UNTIL IMPROVED.
Shion looked across the field.
Eleven more scarecrows stood among rows of vegetables, each decorated with some piece of royal equipment. Near the far edge, twelve royal knights knelt in the dirt holding watering cans. Their armor had been stripped down to shirts and trousers. Their faces carried the ruined dignity of men who had been defeated by agriculture.
One of them saw Shion and nearly dropped his can. “Sir Arakiba.”
Shion walked to the field’s edge. “Report.”
The knight tried to stand.
The scarecrow beside him turned its wooden head with a loud crack.
The knight sat back down and discovered a deep respect for vegetables.
“We engaged the target four days ago,” he said. “She refused retrieval.”
“And?”
“She asked whether we had a warrant, an apology, or snacks.”
Shion’s face did not change.
“We attempted restraint. The field activated. Our armor locked. Our shadows began insulting us. Then she assigned us watering duty.”
From the next row, another knight muttered, “Mine called me emotionally undercooked.”
The scarecrow near him twitched. He returned to silence.
“Did she injure you?” Shion asked.
“No serious wounds.”
“Did she question you?”
The knight’s mouth closed.
Shion stepped closer. “Answer.”
“She asked who wanted her brought back. She asked whether the palace intended to pardon her, imprison her, or cut open her head and search for useful notes.”
“And what did you say?”
The knight looked down at the watering can. “We did not know.”
That answer told Shion enough to dislike the mission more than he already did.
Then a woman’s voice drifted from the hill above. “I also asked if they had brought decent tea. That part matters historically.”
Shion looked up.
At the top of the vegetable slope stood Shiori Tsukikage.
She wore loose black-and-white witch robes with one sleeve patched in blue thread. Her long pale-lavender hair was tied messily over one shoulder, and her golden eyes had the sleepy amusement of someone watching a stranger make a bad decision in slow motion. In one hand, she held a chipped teacup. In the other, she held the retrieval squad captain’s sword like it was a garden stick she kept forgetting to return. Beside her sat a fat two-tailed black cat wearing a red ribbon and the facial expression of a tax inspector.
Shiori sipped her tea. “You must be the serious replacement.”
Shion stepped into the field. “Shiori Tsukikage.”
“Depends who’s asking.”
“Shion Arakiba. Kagegiri Order.”
“Ah.” She studied him over the rim of the cup. “That explains the face.”
“What face?”
“The face of a man who has never once enjoyed soup.”
One of the kneeling knights coughed.
The nearby scarecrow turned its head.
The cough died.
Shion looked from the trapped soldiers to the flowers around the field. “Release them.”
“They were royal kidnappers four days ago. Tomato duty is generous.”
“They are royal soldiers.”
“They are watering crookedly.”
“My orders are to retrieve you.”
“My schedule says nap, tea, avoid treason, maybe laundry.”
“The Mana Stagnation Plague has reached the palace.”
The teacup stopped halfway to her mouth.
That was the first time Shiori’s mask slipped. It lasted less than a breath, but Shion saw it. The lazy smile stayed. The eyes did not. Something old moved behind them, not fear exactly, and not surprise either. More like a scar remembering the shape of the knife.
Then the smile returned.
“Oh,” she said lightly. “So now it’s a plague.”
Shion did not fill the silence.
“Twenty years ago it was hysteria,” Shiori continued. “Then sabotage. Then forbidden theory. Then evidence that my personality was unfit for court life. Amazing what a disease can become once it reaches people with family crests.”
“The report you wrote matches the symptoms.”
“Of course it does. I was right.”
She said it without triumph. That made it worse. She was not begging to be believed anymore. Shiori Tsukikage had passed the point where their approval had any nutritional value.
Shion stepped over the first line of blue flowers.
Every scarecrow turned toward him.
The kneeling soldiers went pale. One of them whispered, “Sir, I would advise against—” and stopped because Shion had already moved.
A red flower opened under his boot.
The field snapped shut.
Vines shot from the soil. Wooden scarecrows raised their arms. Blue flowers released thin threads of mana aimed at his shadow, trying to stitch it to the ground. Shion drew his blade in one clean motion and cut the first three threads. He pivoted around the vines, broke a scarecrow’s knee joint with the heel of his boot, and drove his sword into the dirt.
His shadow spread under the field like spilled ink.
For one heavy second, Shiori’s trap and Shion’s curse pressed against each other. The soil cracked around his boots. The blue flowers trembled. The royal knights held very still, because even cowards become wise when standing inside someone else’s magic experiment.
Shiori’s expression shifted from playful to interested. “Well. That’s new.”
Shion did not push forward. He also did not step back.
The red flower under his boot began to split, but the blue flowers held. The field was strong, but not enough to stop him completely. He could break it if he chose. The issue was not strength. The issue was the twelve soldiers kneeling inside the trap’s backlash range.
He looked up at Shiori. “You built the field around them.”
“I built it around vegetables. They added themselves.”
“If I break it, the backlash hits them first.”
“Correct.”
“You wanted to know whether I would keep cutting.”
She lifted the teacup slightly. “And?”
Shion sheathed his sword.
The field eased.
That was important. Shion had not lost. He had the power to tear through the field, and both of them knew it. But a man who breaks a hostage trap because his pride feels itchy is not strong. He is just loud with a weapon. Shiori had not beaten him in a duel. She had tested his judgment, and the test annoyed him mostly because it was fair.
The corner of Shiori’s mouth moved. “Horrible. You have restraint. That makes this harder.”
She snapped her fingers.
The scarecrows lowered their arms. The vines loosened. The royal soldiers collapsed forward into the vegetable rows, dirty, shaken, and suddenly fascinated by leaving the island alive.
Shiori pointed toward the lower road. “Take your armor. Leave the watering cans. You have not earned those.”
The squad did not argue. They gathered their equipment from the scarecrows and moved downhill with the stiff dignity of men preparing to lie professionally in their mission reports.
Shion stayed where he was.
Shiori looked him over. “Still retrieving me?”
“Yes.”
“By force?”
“If necessary.”
“Very consistent. Terrible personality, useful habit.”
A deep boom rolled through the island before he could answer.
The emergency flare above the cliffs pulsed brighter. The red light twisted, darkened, and turned black. The blue flowers in the field closed all at once. The two-tailed cat rose from its sitting position, arched its back, and hissed toward the eastern forest.
Shion looked toward the signal. “What does black mean?”
Shiori set down the teacup.
“It means the flare was never from your first squad.”
Another boom rolled through the trees. Birds exploded from the dead branches. Downhill, the released royal knights stopped in the road, looking back toward the shore.
Shion’s hand moved to his sword. “Explain.”
Shiori’s voice lost the lazy softness. “The first squad was sent to bring me back. The second came to make sure I never reach the capital.”
From the eastern forest, men in dark cloaks began climbing the ridge.
They moved in a clean formation, six left, six right, three in the center. Their boots avoided the red flowers, which meant they had been briefed. Their masks were not plague masks, though they looked similar from a distance. They were disposal masks, shaped to filter curse smoke and hide identity. Each man carried a short blade and a compact crossbow. The three in the center held sealed iron tubes marked with tower script.
Shion recognized the formation before he recognized the insignia.
Palace disposal unit.
The kind that did not appear in budget records.
The released squad captain saw them and went pale. Not battlefield pale. Court pale. The color of a man realizing the danger was not foreign, demonic, or criminal, but signed by someone with an office.
The disposal leader raised one hand. His voice carried up the hill through a speaking charm. “Sir Arakiba. Emergency authority has been invoked. Step away from the exile.”
Shion did not move. “Who signed the authority?”
“Minister Hoshina, under plague containment provisions.”
Shiori made a small sound through her teeth. “Hoshina is still alive? That man had the survival instincts of mold.”
The disposal leader continued, “Shiori Tsukikage is a bio-magical threat. Her knowledge is to be recovered. Her person is no longer required.”
Shion’s gaze cooled. “My order was retrieval alive.”
“Your order has been superseded.”
“By a minister.”
“By the plague council.”
The first squad captain took one step forward, then stopped when two disposal crossbows turned toward him. His men looked at one another. They had expected embarrassment on this island. Maybe danger. Maybe a witch with awful jokes. They had not expected to be standing between two different royal orders and discovering one of them included murder.
Shiori leaned toward Shion. “So. Still feeling official?”
Shion drew his sword fully.
The sealing paper along the scabbard smoked. The shadow at his feet deepened.
The disposal leader gave a short nod.
The first volley came for Shiori, not Shion.
That told him everything.
Shion moved before the bolts crossed half the field. His shadow rose in front of Shiori like a black wall, catching four bolts midair. Two more curved around the defense, guided by curse thread. Shiori flicked her fingers, and a row of tomato plants opened like little mouths, spitting copper needles into the bolts’ path. The needles struck the curse threads, and the bolts dropped dead into the soil.
Shiori looked offended. “My tomatoes were not involved in your politics.”
The assassins advanced.
Shion stepped down the slope to meet them.
This was where the field changed from a trap into a battlefield. The disposal unit had numbers, preparation, and official license to kill. Shion had terrain he did not fully understand, a witch who might help if she felt like it, and twelve recently humiliated royal soldiers behind him who were still deciding whether survival required courage.
He cut the first assassin’s crossbow in half, broke the man’s elbow with the flat of the blade, and used his falling body to block the second attacker’s sightline. A third swung from the left, low and fast. Shion turned his knee just enough to let the blade scrape armor, then drove his shoulder into the man’s chest and sent him backward into a row of blue flowers.
The flowers wrapped the assassin in glowing thread and held him upside down.
Shiori called from the ridge, “Try not to bleed on the carrots.”
Shion ducked under a curse bolt. “Control your field.”
“Control your assassins.”
“They are not mine.”
“Emotionally, maybe.”
A disposal mage in the center opened one of the iron tubes.
Shiori stopped joking.
“Shion. The tube.”
He heard the shift in her voice and moved without asking why. That was the first piece of trust between them, small but real. He drove forward through two attackers, but the disposal mage slammed the tube into the ground before he reached him.
Gray light spread across the slope.
The blue flowers curled inward. The scarecrows stiffened. The released royal soldiers dropped to one knee, clutching their throats as their mana channels seized. Even Shion felt it: a thick pressure inside his arm, where the curse of his shadow blade lived under the skin. Black veins crawled from his wrist toward his elbow.
The disposal leader smiled behind his mask. “Tower-grade stagnation seal. Designed for the witch’s research patterns.”
Shiori stood very still.
That mattered. Shion saw her eyes move across the gray field, measuring its edges, its pulse rate, its anchor points. She was afraid, but not in the helpless way. More like a surgeon who had seen the wrong tool inside an open body.
“You built weapons from plague theory,” she said.
The disposal leader tilted his head. “Your work was not wasted.”
That was the first line that genuinely cut her.
Not because it was cruel. Cruelty was cheap. The problem was that it was practical. The kingdom had stolen her warnings, buried her name, and still used enough of her research to build a portable mana-stagnation weapon. They had not believed her publicly. Privately, they had learned from her.
Shion forced his fingers to close around his sword hilt. The curse in his blade fought the gray field badly. His right arm shook once. The disposal unit noticed. Trained killers always notice when a weapon begins to fail.
Three assassins attacked him together.
Shion met them anyway.
The first went for his cursed arm. Shion let the blade come close, turned his wrist at the last moment, and trapped the assassin’s weapon between his guard and forearm armor. The second aimed a bolt at his thigh. Shion pulled the first assassin into the shot. The bolt struck the man’s hip, and gray poison spread under his skin. The third reached Shion’s blind side.
Shiori’s copper needle hit that assassin’s mask and cracked the eye lens.
Shion used the opening to kick the man down the slope.
“Do not assist poorly,” he said.
Shiori blinked. “Was that a complaint?”
“Yes.”
“Incredible. He has a personality. Horrible timing, but still.”
The stagnation field intensified. The royal soldiers behind them began coughing. One of them, the young knight who had given the first report, collapsed near a row of white flowers and tried to crawl away from the field. Shion saw him. Shiori saw him too.
The disposal leader also saw him and aimed a crossbow at the boy’s back.
Shion moved, but the gray field dragged at his cursed arm.
Shiori snapped both hands outward.
The white flowers opened.
For a horrible second, Shion understood why the criminals had warned him not to smell them. Their pollen was not poison. It was memory gas. The air filled with soft white dust, and every assassin who inhaled it stumbled under the weight of whatever regret the flower pulled from the back of his skull. One dropped his crossbow and whispered a woman’s name. Another clutched his own face. A third began apologizing to someone who was not there.
Shion held his breath and cut through the opening.
He caught the young knight by the back of his shirt and threw him out of the gray field. It was not elegant. The boy landed in a cabbage patch with a sound that promised bruises. Alive bruises.
The disposal leader fired anyway.
Shion split the bolt midair.
Then he looked at the leader.
The man took one step back.
That was the correct reaction. Not fear for his life, exactly. Something more useful. The realization that Shion Arakiba was not confused anymore.
Shiori moved at the same time. She raised two fingers, and every blue flower in the field released a thread of mana into the ground. The threads did not attack the assassins. They connected to hidden copper lines buried under the soil, then to the scarecrows, then to old tower fragments embedded in the ridge. Shion felt the structure form under his boots: a counter-circuit.
The gray field broke into pieces.
Shion did not need more than that.
He crossed the slope and struck the disposal leader with the flat of his blade hard enough to crack the man’s mask. The leader hit the ground, rolled, and tried to crush a black capsule between his teeth. Shion stepped on his jaw before he could bite down.
“Who ordered this?” Shion asked.
The leader’s eyes watered from pressure and pain. He still tried to smile. “You think a name fixes this?”
“No.”
“Then why ask?”
“Because someone will hear it before you die.”
The man’s smile faded.
Shion leaned closer. “A name.”
The leader looked past him at Shiori. “The tower remembers its traitors.”
Then the brand on his neck burned black.
Shiori lunged forward. Too late.
The leader convulsed. The same black fire crawled under the skin of every surviving disposal agent, burning from the throat inward. One by one, their bodies locked, their eyes emptied, and the witnesses erased themselves by curse.
The field fell silent except for the royal soldiers breathing hard in the dirt.
Shion lifted his boot from the dead leader’s jaw.
Shiori crouched beside the corpse and pulled the collar down. Burned into the skin below the ear was a mark shaped like a broken crescent wrapped around a tower.
The lazy mask was gone now.
Shion watched her face carefully. “You know it.”
“Yes.”
“What is it?”
“The committee seal from twenty years ago.” Her voice was calm in the way storms are calm from far away. “Not the public one. The private mark they used on sealed documents before my trial.”
The royal squad captain, still kneeling near the vegetables, stared at the brand like it might crawl onto him. “That cannot be right. The tower committee was dissolved.”
Shiori looked at him. “And you believed the palace? How peaceful your head must be.”
The captain had no answer for that.
Shion turned to him. “Gather your men. Take the wounded to the shore.”
The captain swallowed. “Sir, if the disposal unit came under ministerial authority, returning without the exile may be treated as desertion.”
“Then return with the truth.”
“With respect, Sir Arakiba, truth does poorly in court without a patron.”
Shiori gave him a small, approving look. “See? Tomato duty improved him.”
Shion looked toward the black flare still pulsing over the island. “Then take evidence. Their masks. The iron tubes. The tower seal.”
The captain hesitated. Not because he disagreed. Because evidence could get a man promoted in honest institutions and killed in royal ones. He looked at the disposal corpses, then at Shiori, then at the young knight Shion had thrown into the cabbages.
Finally, he nodded. “Yes, sir.”
That one decision changed his life. Shion could see it on the man’s face. A few minutes ago, he had been a failed retrieval officer embarrassed by vegetables. Now he was carrying proof that someone inside the kingdom had sent a secret death squad to murder the only person who might understand the plague. That was not a report. That was a loaded crossbow pointed at a palace door.
Shiori stood and brushed dirt from her sleeve. “You realize they will try to erase him too.”
“Yes,” Shion said.
“Very comforting. You say that like commenting on weather.”
“It is likely.”
“Are all Kagegiri knights like this, or did you have joy surgically removed?”
“My training was thorough.”
She stared at him, then laughed once despite herself. “That was almost a joke.”
“It was not.”
“Even better.”
The exchange was light, but neither of them missed what had happened underneath it. Shiori had just seen Shion stand against a palace disposal unit without waiting for permission. Shion had just seen Shiori use a vegetable field, memory flowers, copper circuits, and twenty-year-old tower fragments to break a weapon made from plague research. Neither of them fully trusted the other. That would have been stupid. But both had revised their calculations.
The cat padded down the slope and sat on the disposal leader’s corpse.
Shiori pointed at him. “Minister Fluff, do not sit on evidence.”
The cat stared at her.
Shion looked at the animal. “Is it trained?”
“Better than most nobles.”
“Does it understand commands?”
“Only when judging them.”
The cat sneezed on the corpse.
Shion moved on because some questions were not mission-critical.
They searched the assassins before the island could eat the bodies. The disposal unit carried no personal letters, no house crests, no pay tokens, nothing that tied them to ordinary chains of command. But three items mattered. The first was the tower-marked stagnation tube, cracked but intact enough for Shiori to study. The second was a folded route map showing not only Shion’s landing point, but three possible paths from her observatory to the shore. The third was a kill warrant.
The warrant had been signed two days before Shion received his retrieval order.
That detail made the royal squad captain go very quiet.
Shion read the date twice. His expression did not change, but the air around him seemed to lose warmth.
Shiori looked over his shoulder. “They sent you as bait.”
“Yes.”
“No anger?”
“Anger does not change the paper.”
“Maybe not, but it improves the flavor.”
Shion folded the warrant and placed it inside his armor. “The prince ordered retrieval. Someone else expected retrieval to fail or become unnecessary.”
“Or they wanted me dead before I could speak to him.”
“That is likely.”
“Your prince might still be involved.”
“Yes.”
That answer bothered her more than blind loyalty would have. Blind loyalty was easy to mock. Shion’s version was worse because it was honest and still standing.
The royal squad captain gathered the surviving knights and the evidence they could carry. Two men were injured by stagnation exposure but stable. Shiori forced them to drink a bitter blue mixture from a clay bottle before they left. One asked what was in it. She said, “Medicine, regret, and plant revenge.” He drank faster after that.
The captain bowed to Shion, then, after an awkward pause, bowed to Shiori.
It was not deep. Pride and confusion stopped it from becoming graceful. But it happened.
Shiori noticed. She did not smile. “Careful, Captain. Respecting criminals causes paperwork.”
The captain looked at the dead disposal unit. “I am beginning to suspect paperwork is the least cursed thing here.”
“Look at that. The tomatoes raised a thinker.”
The squad left for the shore with the evidence, moving faster than men should move after four days of forced gardening. Shion watched them disappear into the fog-lined road, then turned back to Shiori.
“You should come with me.”
“No.”
The answer came too fast.
Shion expected it. “The plague is spreading.”
“The plague was spreading before the palace cared.”
“Poor districts are still dying.”
Her jaw tightened once.
He had found the pressure point and disliked using it, but the truth was still the truth. Shiori could ignore princes. She could mock ministers until her throat dried out. But lower-city patients, the ones the royal system stepped over first and apologized to last, were not abstract to her.
Shion continued, “If the palace controls the cure, they will bury the cause. If the disposal unit kills you, people die and the tower remains untouched. If you stay here, your research becomes a rumor.”
Shiori looked toward her observatory. The old stone tower was wrapped in vines and patched with mismatched repairs, but the windows glowed warm under the gray sky. It was ugly and alive. A place built out of survival, spite, and enough bad taste to become charming if you were trapped there for twenty years.
“This island did not ask me to be useful,” she said.
“No.”
“It did not demand I smile correctly.”
“No.”
“It did not call me lazy because I refused to waste my life entertaining decorated parasites.”
“No.”
“It did try to kill me repeatedly.”
“Yes.”
She glanced at him. “You are bad at comfort.”
“I was not attempting it.”
“I know. That is the tragedy.”
The joke softened the silence, but did not erase it. Shion understood something then. Yomigashima was a prison, yes, but it had also become the first place Shiori owned after the kingdom took her name. The tower, the garden, the traps, the ridiculous cat, the criminals who feared and respected her in equal measure — this was not just exile. It was the life she had built from the wreckage.
Asking her to return to Kagetsu was not asking her to travel. It was asking her to walk back into the mouth that had bitten her and hope the teeth had learned manners.
Shion did not insult her by pretending otherwise.
He said, “Then do not return for them.”
Shiori looked at him.
“Return for the patients they stepped over.”
That landed.
Not loudly. Not with tears, not with swelling music, not with some grand speech from the sky. It landed because her hand moved toward the pocket of her robe, where a healer keeps tools by habit. Twenty years of sarcasm had not killed that reflex.
She looked away first. “You fight dirty for someone so cleanly dressed.”
“Yes.”
“That was not praise.”
“I understood.”
“No, you accepted. That is worse.”
She turned and walked toward the observatory. “Come on, funeral bell. If I am going to make a stupid decision, I need to pack the consequences.”
Inside, the observatory was bigger than it looked from outside. Space-folding work, old but stable. Shion noticed the anchor points built into the floor, the demon bone supports hidden inside wooden beams, the careful separation between medicinal storage and curse samples. Nothing was arranged beautifully. Everything was arranged for use. Shelves climbed the circular walls, packed with jars, sealed scrolls, dried herbs, mana stones, glass tubes, annotated bones, and books repaired so many times the covers looked like layered bandages.
One wall was covered in diagrams of the Great Mana Tower.
Shion stopped in front of it.
The drawings were not copies of the royal blueprints. They were corrections. Flow arrows crossed out and redrawn. Pressure points marked. Failure estimates updated year by year. At the center, a large map of the capital showed underground mana channels spreading beneath districts like veins. Several were marked in black. Lower-city districts first. Barracks next. Temple quarter. Noble ward. Palace.
The sequence matched the plague spread.
Shion looked at the dates beside each marking. “You tracked it from here.”
“Mana flow leaves echoes,” Shiori said, pulling notebooks from a locked cabinet. “Yomigashima sits on an old eastern branch line. Weak connection, but enough to observe pressure changes if you know where to listen.”
“You knew it would reach the palace.”
“I knew the sequence. Timing was harder. Protective charms around noble wards slowed exposure. They did not stop it. Money is good at delaying consequences, not killing them.”
She opened a cabinet full of sealed black notebooks. Each spine was labeled by year.
Twenty years of research.
Shion understood then why the disposal unit came. Killing Shiori would not be enough if the notebooks survived. And if these notes reached the capital, the court would have a harder time turning her into a convenient monster.
Shiori packed with infuriating speed and no visible order, yet every item went exactly where it needed to go. Cure samples in a padded case. Tower diagrams in a sealed tube. Patient theory notes in an oilcloth satchel. Dried blue flowers in a wooden box. Stagnation counteragents in clay vials. Tomato seeds in a pouch.
Shion looked at the seeds.
Shiori followed his gaze. “You never know when politics will require tomatoes.”
“I will not ask.”
“Growth. Acid balance. Mana absorption. Also throwing.”
The two-tailed cat jumped onto the table and sat on an open notebook.
Shiori sighed. “Minister Fluff, if you delay me, I will leave you with the mushroom man.”
The cat yawned.
“You are right. He spoils you.”
Shion pointed toward the black notebooks. “How many can you carry?”
“All of them.”
“That is not practical.”
“I have spent twenty years being called lazy. Do not ruin my first dramatic return with practical luggage criticism.”
He walked to the largest chest, tested its weight, and lifted it with one hand. “This one contains the earliest records.”
She paused. “Yes.”
“Then it matters most.”
Shiori watched him place it near the door. The gesture was small. He did not call it precious. He did not pretend to understand all of it. He simply recognized what mattered and carried it.
That was the kind of thing that made her jokes arrive late.
She covered it quickly by tossing him a bundle. “Fine. Carry that too.”
He caught it. “What is this?”
“Blankets.”
“For research?”
“For sleeping. You may have heard of it. Very advanced.”
“I sleep.”
“Standing in corners does not count.”
He did not answer, which she seemed to enjoy.
While Shiori packed, Shion examined the cracked stagnation tube they had taken from the disposal unit. Its outer casing used royal brass, but the inner seal work was older, less polished, and more vicious. Shiori came beside him and pointed to a tiny circular script near the broken edge.
“That pattern,” she said. “It was in the tower’s first activation core.”
“Meaning?”
“Meaning someone had access to restricted core designs from before my trial.”
“Could Minister Hoshina have access?”
“Hoshina had access to committee records, but he was never clever enough to adapt this alone. He is a parasite with a ring collection.”
“Then someone technical survived.”
“Yes.” She took the tube and turned it in the light. “Or someone inside the tower is still working.”
That possibility sat badly between them.
A living faction was dangerous. A hidden technician was worse. But a system still active inside the Great Mana Tower, continuing work from twenty years ago, meant the plague was not just a delayed disaster. It might still be maintained, concealed, maybe even managed.
Shion looked at the tower diagrams. “If the tower is still producing contamination, can treatment work?”
“Temporarily.”
“How temporarily?”
“Depends on exposure. Early patients can recover if removed from corrupted flow and treated before channel hardening sets. Middle-stage patients need repeated cleansing. Late-stage patients…” She closed the tube. “Late-stage depends on whether the healer is honest enough to admit what is already gone.”
“Can you stop the source?”
Shiori smiled without humor. “The royal court exiled me for suggesting we pause the tower. Imagine their reaction when I suggest opening its core.”
“They will refuse.”
“They will try to arrest me before I finish the sentence.”
“Then do not start in the palace.”
That made her look at him again.
Shion continued, “Start where the plague began. Lower city. Treat patients royal doctors ignored. Record results. Build witnesses. Make yourself visible to people the palace cannot silence without creating unrest.”
Shiori leaned against the table. “That is very strategic treason.”
“It is medicine.”
“Medicine with a knife behind its back.”
“If the knife is needed.”
She studied him for a long moment. “Who taught you to think like that?”
“My commander.”
“Is he dead?”
“Yes.”
“Good teacher, then. Dead ones are less likely to interrupt.”
Shion accepted that in silence, which Shiori took as permission to keep talking.
“Let me guess. You were raised by the Kagegiri after some tragic border incident. Trained to obey. Trained to kill. Trained to treat feelings like furniture in a burning house.”
“Close.”
“Oh, only close. How mysterious. Did I miss the part where you were cursed by your own sword?”
“No.”
She glanced at his right hand. The black veins from the stagnation field had faded but not vanished. “That thing is eating you.”
“Yes.”
“How long?”
“Since I was sixteen.”
“And you just walk around with it.”
“Yes.”
“You are aware that is not a treatment plan.”
“It has been manageable.”
“That is what men say when a limb is one bad week away from becoming a committee topic.”
He looked at her. “Can you treat it?”
The question came out plain. No plea. No embarrassment. That made it worse somehow.
Shiori’s face shifted. The researcher returned, sharp and focused. She stepped closer and held out a hand. “May I?”
Shion hesitated, then offered his cursed arm.
She did not grab it dramatically. She rolled his sleeve back with the same practical care she probably used on injured criminals who pretended not to be scared. Black veins threaded from his wrist toward the elbow, faint but stubborn. The curse pulsed around the old seal marks burned into his skin.
Her expression darkened. “This is not a normal sword curse.”
“No.”
“This is layered. Binding curse, hunger curse, obedience limiter, pain suppression. Who sealed this?”
“The Kagegiri armory.”
“Your armory should be set on fire.”
“It is stone.”
“I will be creative.”
For the first time, Shion looked almost confused by the force in her voice.
She noticed and released his sleeve. “I can slow the spread. Not cure it here. I need clean instruments, better light, and fewer assassins in the garden.”
“Then the lower city clinic benefits both of us.”
“That was manipulative.”
“Yes.”
“You admit it too easily.”
“It was still true.”
Shiori sighed and rubbed her forehead. “You are exhausting in a very dry way.”
The conversation ended when something hit the outer barrier.
The whole observatory rang.
Minister Fluff shot off the table and vanished under a cabinet with the dignity of a retired general. Shion drew his blade. Shiori raised one hand, and the tower windows darkened.
Another impact.
Not assassins this time. Heavier.
Shiori moved to a brass viewing lens near the wall and twisted it toward the lower road. The fog outside peeled back in the lens image, revealing movement near the forest. The disposal unit’s corpse-lure seal had done more than call small beasts. Something large had woken beneath the old prison quarry and was pulling itself uphill.
It looked like a giant made from prison chains, bones, and wet stone.
A quarry revenant.
Shion stepped toward the door.
Shiori grabbed the back of his cloak. “Bad idea.”
He looked down at her hand.
She did not let go. “Do not give me that funeral stare. That thing is not alive enough for sword logic. It is an old execution pit wearing a body. Cut it and it becomes smaller angry pieces.”
“How do we stop it?”
“We don’t. We redirect it.”
“With what?”
She looked at the packed chests, then at the tower diagrams, then toward the vegetable field. “With royal arrogance.”
“That is not a material.”
“It is here in abundance.”
The quarry revenant slammed into the outer barrier again. Stone dust fell from the ceiling. Shion calculated the time between impacts, the barrier strength, the distance to the shore, the weight of the research chests, the condition of the surviving soldiers. Too many risks. Too little time.
Shiori was already moving.
She pulled a rolled banner from one cabinet. It was the old royal retrieval flag from the first squad, stained with mud and tomato water. She tied it around a bundle of disposal masks, added the cracked stagnation tube, and smeared the whole thing with gray residue from the broken seal.
Shion understood. “It follows tower contamination.”
“It follows the strongest insult to its death memory. The quarry was where tower prisoners were executed during early construction. If it smells royal tower authority, it will chase that.”
“You kept the flag.”
“I was using it to shade basil.”
The barrier cracked.
Shion took the bundle. “Where?”
“Old western sinkhole. Deep enough to hold it until morning.”
“That route crosses the red flower field.”
“Yes.”
“Your field will attack me.”
“Only if you step poorly.”
He stared at her.
She smiled. “Motivating, right?”
Shion left before the next impact.
The revenant broke through the outer barrier as he crossed the slope. It was larger up close, dragging chains that tore trenches through the soil, its skull made from three fused prison masks. It turned toward the bundle in Shion’s hand and released a sound like rocks grinding under water.
Shion ran.
Not away from fear. Toward the route Shiori had marked with blue sparks in the air. He crossed the vegetable field at full speed, stepping between red flowers with less than an inch to spare. Vines snapped at his heels and missed because Shiori shifted the field from the tower window, opening gaps just before his boots landed. He trusted the openings without looking back.
That was the second piece of trust.
The revenant followed, smashing through scarecrows, plants, and old stone markers. Shiori winced when it crushed half her tomato rows. “Twenty years,” she muttered from the tower. “I kept those alive through acid rain and demon goats.”
The royal squad, now gathered near the lower path, watched Shion lead the revenant west. One knight started to move as if to help. The captain caught his arm. “Do not. You will become scenery.”
At the sinkhole, Shion threw the bundle across the broken ground and leapt back. The revenant lunged after the tower-tainted bait. The stone beneath it collapsed. Chains whipped outward, one catching Shion around the leg before he cleared the edge.
The sinkhole pulled.
Shion drove his sword into the ground.
The chain tightened. The curse in his arm flared. For a moment, his body hung between the sword anchored in the soil and the revenant dragging him down into the dark. He did not shout. That was almost more worrying.
A blue line of light snapped around his wrist.
Shiori stood at the ridge above, both hands raised, hair whipping in the wind from the collapsing pit. “Do not make me fill out a death report before lunch.”
Shion looked up. “It is past lunch.”
“Then I am already emotionally compromised.”
She pulled.
The blue line was not strong enough alone. Shion knew it. Shiori knew it. So he used the pull to shift his weight, twisted his trapped leg, and cut the chain with a short backward strike. The revenant fell into the sinkhole, dragging the bait down with it. The pit swallowed the grinding roar, then closed halfway under its own weight.
Shion climbed back over the edge.
Shiori lowered her hands, breathing harder than before.
He noticed. “You overused your mana.”
“You overused being heavy.”
“I am not heavy.”
“You dress like a portable mausoleum.”
He sheathed his sword. The black veins had returned up his wrist, darker this time. Shiori saw them and chose not to joke. That choice said more than another insult would have.
By the time they returned to the observatory, the royal squad had finished gathering what evidence they could carry. Shiori treated the two worst stagnation injuries with blue tincture and a needle so thin the young knight fainted after insisting he would not. She did not laugh at him. She only covered him with a blanket and told the captain to say he fainted from “excessive bravery,” because men heal faster when their pride is bandaged too.
Shion watched her work.
She complained the entire time. About royal soldiers being too dense to maintain proper circulation. About palace boots ruining her soil. About assassins lacking courtesy. About the cost of replacing copper needles. But her hands never shook. She checked pulse points, mana response, pupil color, skin temperature, and breathing rhythm. She separated mild exposure from deeper channel damage in seconds. She adjusted doses for body weight without asking for a scale. This was not a lazy woman pretending to help. This was someone who had done the work for so long that skill had become muscle memory.
The young knight opened his eyes after treatment and whispered, “Thank you.”
Shiori screwed the bottle cap shut. “Do not thank me. Stop serving idiots.”
The knight looked startled.
The captain, to his credit, said quietly, “We are trying to learn which ones are idiots.”
Shiori pointed at him. “Tomatoes. See? Educational.”
The captain actually smiled a little before remembering he was in trouble.
Near dusk, the first squad departed for the shore with the wounded, the evidence, and strict instructions from Shion to avoid the red flowers. Shiori added a second instruction to avoid any rabbit that looked “too polite.” The soldiers did not ask for clarification. Yomigashima had trained them.
When they were gone, the observatory felt larger and quieter.
Shiori stood in the doorway, looking at the road where they had disappeared. The humor drained from her face in slow layers. Without it, she looked closer to the woman from the old reports: tired, sharp, wounded in places nobody could treat with tincture.
“You know what happens if I go back,” she said.
Shion stood beside the packed research chests. “Yes.”
“They will smile for the public. Then they will lock me somewhere clean and call it protection.”
“Yes.”
“They will use my cure if it works.”
“Yes.”
“They will blame me if it fails.”
“Yes.”
“They will steal what they can understand, burn what embarrasses them, and ask why I am being difficult.”
“Yes.”
She turned toward him. “You are meant to argue here.”
“I cannot argue against likely outcomes.”
“That is a deeply unattractive habit.”
“I have others.”
She almost smiled, then did not.
“What do you want from me, Shion Arakiba?”
“The truth.”
“That is not an answer. That is a moral disease.”
“I want the plague treated. I want the source identified. I want whoever sent the disposal unit exposed before they send more.”
“And me?”
He looked at her directly. “I want you alive long enough to choose what happens to your research.”
That answer did what flattery would not have done. It treated her as the owner of her own mind.
Shiori looked away, and the small movement felt more private than tears.
After a long moment, she walked back inside and opened the lowest drawer of her desk. From it, she removed a narrow black cord woven with silver thread. It was old oath-craft, the kind used before modern contracts replaced magic that actually cared what people meant.
Shion recognized it. “A binding cord.”
“You know it?”
“Yes.”
“Good. Then you know this is not decorative.”
She wrapped one end around her wrist and held out the other.
“If I go back, it is not as the kingdom’s criminal pet. It is not as the prince’s emergency tool. It is not as the royal doctors’ secret ingredient. I will treat patients first. Poor district first. Palace later, if they behave like civilized mammals.”
Shion took the other end of the cord.
The silver thread tightened around his wrist.
Shiori’s voice was calm now. No teasing to soften the edge. “If the palace tries to imprison me, you stand in the way. If they try to steal my notes, you stand in the way. If they try to blame the plague on me again, you stand in the way. If your order, your commander, your prince, or your king tells you to hand me over so they can bury this properly, you stand in the way.”
The cord warmed against Shion’s skin.
He answered, “Yes.”
“Do not be quick. Think.”
“I did.”
“No. You obey quickly. That is different.”
He looked down at the cord, then at her. “My order was to retrieve you for the kingdom. If the court is protecting the source of the plague, then protecting you may be the only useful interpretation of that order.”
Shiori stared at him. “That is the most bureaucratic treason I have ever heard.”
“Yes.”
“You understand this oath could turn your own shadow blade against you if you break it.”
“Yes.”
“You understand I am annoying.”
“Yes.”
“That one was too fast.”
He said nothing.
For some reason, that made her laugh softly.
Then the silver thread sank into both their wrists.
The oath took.
It did not flash like a festival spell. It tightened, settled, and vanished beneath the skin. Practical magic. Serious magic. The kind that did not care about excuses later.
Shiori flexed her hand. “Well. That was stupid.”
Shion picked up the largest research chest. “We leave before the tide changes.”
She blinked. “That is your response to a life-binding oath?”
“Yes.”
“You are impossible.”
“I have been told.”
“By friends?”
“No.”
“Tragic. Accurate, but tragic.”
She slung two satchels over her shoulder, tucked three notebooks into her robe, and picked up Minister Fluff, who immediately looked offended by the idea of travel. Then she paused at the doorway of the observatory.
For twenty years, this tower had been prison, laboratory, shelter, fortress, clinic, and home. The kingdom had meant Yomigashima to erase her. Instead, she had filled it with notes, traps, ridiculous vegetables, cursed flowers, and enough spite to keep breathing. Leaving it was not victory. Not yet.
Shion did not tell her to hurry.
That was the third piece of trust.
Shiori noticed.
She looked around one final time, then raised two fingers. Blue light moved through the tower walls. Cabinets locked. Windows sealed. Hidden barriers folded inward. The garden scarecrows returned to their posts, wearing scraps of royal armor like trophies. The remaining tomatoes glowed faintly under protective charms.
“If anyone touches my garden,” she told the empty room, “feed them to the polite rabbit.”
Somewhere outside, something small and antlered chirped.
Shion decided, again, not to ask.
They began descending toward the shore as night settled over Yomigashima.
The island felt different with Shiori beside him. The path that had tried to kill Shion now opened in pieces. Blue flowers leaned away. Red flowers closed. White flowers turned their faces toward the ground. Criminals watched from the tree line and bowed their heads, some out of fear, some out of respect, some because Minister Fluff was staring at them.
The scarred man from the beach appeared near the broken shrine. When he saw Shiori with packed bags, his mouth fell open.
“You’re leaving?”
“For a bit,” Shiori said.
The mushroom man looked genuinely worried. “Who’s in charge while you’re gone?”
Shiori pointed at the cat.
The criminals all looked at Minister Fluff.
Minister Fluff blinked slowly.
The scarred man swallowed. “Fair.”
Shiori handed him a small pouch. “Blue tincture. If the quarry pit leaks again, pour this on the western stones. Do not drink it.”
The spear carrier raised his hand. “What happens if someone drinks it?”
“They become briefly honest.”
The three criminals recoiled.
Shiori nodded. “Exactly. Dangerous stuff.”
They continued down the path. Shion said nothing until the beach came into view.
Then he stopped.
The royal cutter was burning on the reef.
Its mast had snapped. Flames crawled along the deck in blue and black, too controlled to be accidental. No sailors shouted. No bodies floated. That was worse. Beyond the wreck, three black-sailed ships waited in the fog, lanterns covered, hulls low in the water. Not royal navy. Not pirates. Professional silence. Each ship carried the broken crescent tower mark on its dark sail.
Shiori stood beside him, the sea wind pulling at her hair.
“Well,” she said quietly. “That is a rude amount of commitment.”
Shion set the research chest down and drew his sword.
The black veins on his wrist pulsed under the fresh oath mark. Shiori saw it. He saw the ships. Neither of them needed to explain what the other already understood.
The assassins on the ridge had only been the first net.
The real trap was waiting at the shore.
And somewhere across the sea, Kagetsu’s capital was already preparing to welcome back the Lazy Witch as either a miracle, a prisoner, or a corpse.