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The rain over the gray, skeletal remains of Central City was unrelenting. It washed away the soot of the battle but couldn’t touch the cold that had settled into Izuku Midoriya’s marrow. He moved like a ghost through the wreckage of the abandoned warehouse, his breath hitching as he adjusted the weight of the woman in his arms.

Kaina Tsutsumi—Lady Nagant—was heavy, not just with the muscle of a trained killer, but with the dead weight of a spirit that had finally let go. Her violet dress was torn, the golden studs at her sides glinting dully in the dim light. Her right arm, the one he had shattered with his Faux 100% Manchester Smash, hung at a sickening angle.

Izuku set her down gently against a crumbling brick pillar, then turned back to the shadows. He dragged the shivering, pathetic form of Kai Chisaki into the room, dumping the former Yakuza leader several meters away. The man was a shell, muttering about his "Pops," but Izuku couldn't spare him a second of sympathy. His focus was on the woman whose eyes were currently tracking him with a mixture of venom and exhaustion.

"Why?" Kaina’s voice was a rasp, a jagged edge cutting through the rhythm of the rain hitting the roof. "You should have let me hit the pavement, kid. It would’ve been... cleaner."

Izuku didn't answer immediately. He knelt before her, his hands trembling as he reached for the yellow backpack he still carried. His "Costume Epsilon" was a disaster—Gran Torino’s cape was shredded, and his mask was pulled down, revealing a face that looked ten years older than it should have.

"I’m not letting anyone die today," Izuku whispered. He pulled out a bottle of antiseptic and a roll of gauze. "I need to look at your arm."

Kaina let out a harsh, barking laugh that turned into a wince. "The Commission’s pet assassin and a brat who looks like he’s forgotten what a bed is. What a fucking pair." Her light purple eyes flickered to his shaking hands. "You’re pathetic. Why are you even doing this? All For One is going to skin you alive."

Izuku ignored the insult, though he flinched when she spat the word "pathetic." He reached for her mangled elbow, where smoke still occasionally drifted from the skin. As his fingers brushed the wound, Kaina let out a guttural snarl.

"Don't touch me! You’ve done enough damage, you little shit!"

Izuku pulled back, his eyes glassy. "I’m sorry. I have to clean it, or it’ll get infected. Please, Nagant-san."

"Don't 'Nagant' me. That woman died in a cell," she hissed, but the fight was draining out of her. She leaned her head back against the cold brick, her breathing shallow. "Fine. Do your worst. It won't be the first time a 'hero' made me bleed."

The cleaning process was a descent into hell. As Izuku poured the antiseptic over the jagged bone and torn muscle, Kaina’s composure shattered. She didn't just scream; she cursed him with a vocabulary born of the underworld and the darkest corners of the HPSC.

"God-fucking-dammit! Stop! Just—fuck!" Her voice cracked, turning into a wobbly, high-pitched sound that made Izuku’s heart ache. "It hurts... please, just stop..."

"I'm so sorry, I'm so sorry," Izuku sobbed, the tears finally breaking free and carving tracks through the dirt on his cheeks. He was working fast, his vision blurred. "I have to get the debris out. One more part. This... this is going to be the worst part."

He looked up at her. Her face was pale, sweat beads mingling with the rain on her forehead. She looked terrified—not of him, but of the pain.

"Here," Izuku said, extending his left hand, the one with the partially destroyed Mid-Gauntlet. "Squeeze. Don't let go."

Kaina didn't hesitate. She grabbed his hand with the strength of a drowning woman. As Izuku applied the final pressure to realign the fracture, a sound escaped her that wasn't human—a raw, agonized keen. She squeezed his hand so hard he heard his own bones groan, her nails digging into his skin.

When it was over, they were both gasping, their foreheads almost touching. The air in the warehouse was thick with the smell of blood and old dust. Kaina’s grip didn't loosen; if anything, she pulled him slightly closer, her breath hitching in broken sobs.

"You... you're just a kid," she whispered, her voice finally losing its bite. "How old are you, really?"

"Sixteen," Izuku choked out.

The silence that followed was heavier than the rain. Kaina’s eyes widened, her gaze raking over his scarred arms, his hollowed-out eyes, and the sheer, crushing fatigue radiating from his posture.

"Sixteen?" she repeated, her voice rising in a sudden, sharp anger. "Are they fucking serious? They sent a sixteen-year-old out here to fight a war alone? Where are the others? Where is the 'Symbol of Peace'?"

"He's... I can't let him get hurt anymore," Izuku said, trying to pull his hand back, but she held on.

"You're a goddamn fool," she snapped, her eyes burning with a protective rage she hadn't felt in years. "Look at you! You haven't eaten, you haven't slept—you're walking around like a suicide note with a quirk!"

Izuku flinched violently at the word "suicide." He tried to stand, but Kaina leaned forward, her good hand suddenly gripping his chin, forcing him to look at her.

"Don't you turn away from me," she commanded, though her voice was softening. "I know that look. I saw it every morning in the mirror at Tartarus. It’s the look of someone who’s decided their life is a fair price for a peace that doesn't exist."

Izuku’s lip trembled. He tried to keep his face stoic, but the tears just kept flowing, silent and endless. He looked like a broken doll in a hero’s suit.

"I have to," he whispered. "If I don't... everyone dies."

"And if you die, who's left to care?" Kaina's hand moved from his chin to his cheek, her thumb brushing away a tear. Her touch was unexpectedly warm. "In Tartarus... I used to stare at the ceiling and try to count the seconds until my heart would just stop. I tried, you know. I tried to end it. I sharpened a piece of a meal tray once. I got so close... I just wanted to feel something that wasn't the silence."

She let out a shaky breath, her eyes distant. "The worst part wasn't the dark. It was the lack of anything human. No one speaks to you. No one touches you unless it's to cuff you. I forgot what it felt like... to just be near someone."

She looked back at Izuku, her expression melting into something profoundly tender. "You’ve been alone out here, haven't you? No one to hold the weight for a second."

Izuku couldn't hold it in anymore. The "I'm okay" mask he’d been wearing for weeks crumbled. He leaned into her hand, a small, choked sound escaping his throat.

"I'm so tired," he confessed, the words barely audible over the rain. "I'm so, so tired."

Kaina didn't say another word. She pulled him forward, tucking his head under her chin and wrapping her good arm around his shoulders. Izuku stiffened for a heartbeat, then collapsed into her, his hands clutching the dark violet fabric of her dress. He sobbed into her chest, the sound raw and ugly, the release of a boy who had been carrying the world on his back.

"It's okay," she murmured, her voice a soothing vibration against his ear. "I've got you, kid. Just for a minute. The world can wait for a fucking minute."

They stayed like that for a long time. The tension in the room shifted from the aftermath of a duel to the quiet sanctuary of two broken souls. Eventually, the sobbing stopped, replaced by the heavy, rhythmic breathing of a boy who had finally succumbed to exhaustion.

Izuku fell asleep right there, his head resting on the soft swell of her chest.

Kaina looked down at him, a faint, bittersweet smile touching her lips. She began to hum a low, tuneless melody, her fingers tracing the messy curls of his indigo-streaked hair. For the first time in a decade, the smoke in her mind had cleared.

An hour later, a heavy thud echoed from the far end of the warehouse.

Both of them snapped into focus instantly. Kaina’s instincts, honed by years of state-sponsored killing, took over. She didn't push Izuku away; she pulled him tighter, her good arm pinning him to her chest as she crouched lower against the pillar.

"Stay down," she hissed.

Izuku’s eyes were wide, glowing green in the dark. Danger Sense wasn't tingling—perhaps he was too drained, or perhaps the threat wasn't "hostile" in the way the quirk recognized—but the fear was real. He felt small, protected in a way he hadn't felt since his mother used to hold him during thunderstorms. He wrapped his arms around Kaina’s waist, hiding his face against her shoulder.

"I've got you," she whispered, her voice firm and grounding. "Nothing is getting through me."

They waited, breathless, as the sound—likely just a piece of rusted sheet metal falling in the wind—faded into the background noise of the storm. As the adrenaline receded, Izuku realized where he was. He was pressed firmly against her, his face buried in the crook of her neck.

He scrambled back, his face turning a shade of red that rivaled his Mid-Gauntlets. "I-I'm so sorry! I didn't mean to—I fell asleep on... on you... and it was... you’re very soft, and I—"

Kaina let out a genuine, melodic laugh, the first one she’d uttered since her arrest. She leaned back, a predatory but playful glint in her eyes. "Oh? I'm 'soft,' am I? You seemed pretty comfortable there, hero. Had your face right in the 'ballistics,' didn't you?"

Izuku looked like he was about to spontaneously combust. "I—no! I mean, yes, but not like that! I was just—the warmth—and I—"

"Relax, kid," she teased, her voice dropping an octave. "I haven't had a handsome young man use me as a pillow in... well, ever. Though I usually expect a drink first before someone gets that familiar with my chest."

"Nagant-san!" Izuku wailed, covering his face with his hands.

"It's Kaina," she said, her voice softening again. "And don't apologize. It was the best sleep I've had in years, even if I was awake for it."

Izuku peeked through his fingers. Seeing her smile—a real, crooked smile that reached her gradient purple eyes—made his own heart swell. He reached out, tentatively placing a hand on her uninjured shoulder.

"Kaina," he said, the name feeling strange but right on his tongue. "You don't have to go back to All For One. You're not the person the Commission made you, and you're not the person he wants you to be. You're... you're Kaina."

She looked at him, the humor fading into a profound, shimmering sadness. "You really believe that, don't you? Even after I tried to blow your head off?"

"You didn't," Izuku said firmly. "You missed Chisaki on purpose. You could have killed me three times before I even saw you. You were looking for a way out. Let me be that way out."

Kaina looked at her bandaged arm, then at the boy who had treated her wounds with more care than the state had ever shown her. She reached out and ruffled his hair, a gesture so maternal it made Izuku’s breath hitch.

"You're a weird brat, Izuku," she said.

A sudden impulse seized him—a need to bridge the gap that the world had forced between them. Izuku leaned forward and wrapped his arms around her waist again, not out of fear this time, but out of a pure, desperate affection.

"Thank you," he whispered. "Kaina-nee."

The title hit her like a physical blow. Kaina froze, her breath catching. "Nee...?"

"You're like the older sister I never had," Izuku said, his voice muffled by her dress. "I... I think I love you. Like family. I don't want you to be alone anymore."

Kaina’s eyes overflowed. She didn't try to stop the tears this time. She buried her face in his green curls, her body shaking with the force of her release. "You stupid, wonderful kid... you’re going to make me go soft, aren’t you?"

"Is that so bad?"

"It’s terrifying," she whispered, tightening her hold until they were a single silhouette against the gray light of the doorway. "But I think... I think I can live with it."

Outside, the rain began to let up, revealing the first faint streaks of a bruised purple dawn. Kaina Tsutsumi, the woman who had lived her life as a bullet, finally felt like she had found a place to land. And Izuku Midoriya, the boy who carried the world, finally felt like he wasn't carrying it alone.