The sword that does not judge is a river that does not flow. It is not cruelty to cut away a festering limb; it is a mercy to the body. But mercy is a blade that cuts both ways.
Kaito surfaced from unconsciousness to the scent of pine and the feeling of being dragged.
His body screamed in protest. The wounds on his chest were a line of fire, and his head throbbed with a sick, rhythmic pulse. He was being pulled backward, his shoulders scraping against frozen earth. Above him, a canopy of cedar branches blotted out the stars.
He tried to speak, but only a rasp escaped his throat.
"Stay still."
The voice was low, calm, and utterly devoid of warmth. It came from the figure dragging him. Kaito could only see a broad back clad in a dark, unadorned haori. A sword—a katana with a black scabbard—hung at the figure's hip.
With a grunt, the man stopped, lowering Kaito against the roots of a massive cedar. The man turned, and Kaito got his first clear look at him.
He was young, perhaps in his early twenties, with dark, unkempt hair and eyes the color of a winter sea—a piercing, icy blue that held no welcome. His face was handsome but set in a mask of stoic indifference. This was Renjiro Aoyama, though Kaito did not know his name yet. He only knew him as the man with the sword and the eyes that looked at him like he was already a corpse.
"You're lucky the newborn dragged that one into the woods," Renjiro said, his tone flat. "Gave it time to burn in the sunrise."
Sunrise. Kaito's eyes darted toward the east. The sky was a pale, bruised grey, the first hints of pink bleeding over the peaks. He had been unconscious for hours.
"My… my family…" Kaito choked out, trying to push himself up.
Renjiro's hand shot out, pressing him back against the tree with firm, unyielding strength. "Dead. All of them. The creature saw to that."
The words were a knife, but a dull one, twisting in his gut. He had known. He had seen. But to hear it spoken with such cold finality was another wound entirely.
"My sister…" Kaito's voice cracked. "Yuki. She was… she was changing. Where is she?"
Renjiro's expression did not change, but something flickered in his eyes. A shadow of something that might have been old pain. "She survived the night. She is bound in the remains of your home, waiting for the sun. It will take her soon enough."
"No!" Kaito surged forward, and this time, the pain gave him strength. He grabbed Renjiro's haori, his hands trembling. "She saved me. She fought that thing. She's still… she's still my sister."
"She is a Hollowed," Renjiro said, each word deliberate and sharp. "She will lose what remains of her humanity. She will hunger. And when she does, she will kill. It is my duty to prevent that."
He drew his sword.
The blade was a marvel, even in Kaito's grief-stricken state. It was the color of a deep, mountain lake, a ripple pattern flowing along its length like water over stone. It seemed to hum with a quiet, deadly purpose.
"Please," Kaito whispered, his grip on Renjiro's haori tightening. "There has to be another way. She's not like the others. She protected me."
Renjiro looked down at him, and for a long moment, the only sound was the whisper of wind through the pines. He seemed to be searching for something in Kaito's face—a lie, a delusion, a sign that this boy was simply too broken to see the truth.
"There is no cure," he said finally. "There is only the blade."
"Then I will find one." Kaito's voice, though weak, was resolute. It was a promise carved from the ashes of his home. "I will find a way to turn her back. But I will not let you kill her. Not while there's a single breath in my body."
He let go of Renjiro's haori and, with immense effort, pushed himself to his feet. He stood swaying, his chest a bloody ruin, his hands raised in a pathetic, unarmed guard. He was a boy facing a master swordsman, and he knew it. But he stood.
A strange look crossed Renjiro's face. It wasn't respect, not quite. But it was something beyond the simple dismissal he'd shown before. It was recognition. He had seen this before—this stubborn, impossible flame that refused to be extinguished.
He sheathed his sword.
"Show me," he said.
Kaito led him back to the remains of his home. The house was a wreckage of splintered wood and torn paper screens. In the center of the main room, tied with thick rope to a support beam, was Yuki.
She was smaller than he remembered. Curled into a ball, her hair a tangled mess, her hands bound behind her back. The vines were gone, the black veins had receded from her face, and her eyes, when they flickered open, were no longer crimson. They were the soft brown he knew, wide with terror and confusion.
"K-Kaito?" she whimpered. Her voice was small, human, terrified. "It hurts. My head hurts. Where's Mother? Where's Father?"
Kaito fell to his knees before her, pulling her into his arms, ignoring the searing pain in his chest. "I'm here, Yuki. I'm here."
She clung to him, sobbing. He felt the small, sharp points of her fangs against his shoulder, but she did not bite. She only held on, trembling.
Renjiro stood at the threshold, observing. The sun had crested the mountains, its light streaming into the ruined house. Yuki flinched as the light touched her skin, pressing deeper into Kaito's arms, but she did not burn. She did not disintegrate.
"She should be ash by now," Renjiro murmured, more to himself than to them. He walked closer, his gaze analytical. "She has been exposed to sunlight since the moment she turned. She is not burning."
He knelt, studying Yuki's face. She shrank back, hissing, a flicker of the crimson returning to her eyes. Kaito held her tighter, staring at Renjiro with a mixture of desperate hope and fierce protectiveness.
"She is unique," Renjiro said, the words seeming to cost him something. He rose, looking down at Kaito. "I do not know why. But she has retained a fragment of her humanity. Enough to resist the sun. Enough to protect you."
He turned away, looking out at the mountain path. "The Nocturnal Vanguard hunts Hollowed. It does not suffer them to live. If others learn of her, they will not hesitate. They will see only a monster."
"Then help me," Kaito said. "Teach me to fight. Help me find a way to cure her."
Renjiro was silent for a long, heavy moment. When he spoke, his voice was the same flat monotone, but there was a thread of something beneath it. A memory. A debt.
"There is a man," he said. "A former member of the Vanguard. He lives at the base of this mountain, in seclusion. He will be… reluctant. But he is the only one who might train a boy with a Hollowed for a sister."
He looked back at Kaito, his winter-sea eyes holding a final, unspoken warning. "He will teach you to swing a sword. What you do with it will be your own burden. But know this, Kaito Mori: if she ever turns, if she ever kills a single innocent… I will return. And I will not show mercy a second time."
He was gone before Kaito could reply, vanishing down the mountain path with the silent grace of a shadow.
Kaito held Yuki as she wept, her small body shaking against his. The sun rose fully, painting the ruins of his home in gold. He looked at the bodies of his family, covered now with a torn paper screen, and made a vow as solemn as the mountains themselves.
He would become a swordsman. He would find a cure. He would protect his sister.
And he would kill the creature—the First Hollow, Lord Umbriel—who had turned his life to ash.