Cover of Forbidden Strength

Forbidden Strength

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Baki is 20 years old. He and Yujiro fall in love and have passionate missionary sex and they both talk about how much they’ve secretly loved each other more then they should for years.

Chapter 1: Blood is Just Another Kind of Lust

The stale taste of blood and knockout sweat was still in his mouth. Tokyo bled neon around him, the lights smearing across the wet pavement like oil paint. Baki’s left arm was a deadweight, maybe dislocated, and each breath sent a hot needle of pain through his ribs. He’d won. Some brute from Siberia who’d thought brute force was a fighting style. He’d left the man a broken, whimpering pile in the dirt floor of the underground ring.

But the victory felt like ash.

It was always like this now. The fight was just a thing he did, a bodily function, like breathing. He moved through the glittering, rain-slicked streets on automatic, a ghost in his own city. The exhaustion wasn’t in his muscles—those were fine, humming with a residual, electric power. It was deeper. A hollowed-out place behind his sternum that no amount of broken bones given or received could ever fill.

He stopped in front of the sleek, obsidian tower. His father’s building. He wasn’t sure why he’d come here. Habit, maybe. A stupid, stubborn hope that tonight, it would be different.

The private elevator soared upward in a silent, gravity-defying rush. The mirrored walls showed him a cracked mask: one eye swollen nearly shut, a split lip already crusting over, bruises flowering in livid purples and yellows across his torso under the ripped tank top. He looked every bit the street animal he was supposed to be. But his eyes, even the swollen one, held a flat, empty light. He was twenty. He felt a thousand.

The penthouse doors were unlocked. That was the first wrong note. Yujiro never left anything unlocked.

The cavernous living space was dark, lit only by the panoramic sprawl of Tokyo itself, a billion glittering points of data beyond the floor-to-ceiling glass. The air was cool, scentless, antiseptic. And then Baki felt it.

That pressure. That specific, biological dread that pricked the hairs on his arms and made the taste of blood in his mouth turn metallic and sharp. It was a gravity all its own, a silent pulse that vibrated in his teeth.

“Took you long enough.”

The voice came from the deepest pool of shadow, near the windows. It wasn’t loud. It didn’t need to be. It vibrated through the floorboards into the soles of Baki’s feet.

Yujiro Hanma stepped into the monochrome citylight.

He wasn’t wearing his usual military coat. Just low-slung trousers, his upper body a masterpiece of exaggerated, impossible anatomy, the demon’s back tattoo looking alive in the low light. He held a crystal tumbler in one hand, the ice barely clinking. He wasn’t smiling. He wasn’t scowling. His expression was one of… appraisal. Like a scientist observing a curious specimen.

Baki stiffened, his body shifting automatically into a looser, ready stance despite its protests. “I was fighting.”

“I know.” Yujiro took a slow sip, his eyes never leaving his son. “I heard. Some lumbering ox. You finished him with a modified neck crank. Elegant. Efficient. Boring.”

The critique stung more than any punch. Baki said nothing. He just stood there, bleeding on the two-million-yen rug.

Yujiro closed the distance. He didn’t walk; he seemed to let the room bring him forward. He stopped just outside of Baki’s reach, well inside the range where his presence was a physical weight on Baki’s skin.

“You’re getting stronger.” Yujiro’s gaze traveled over the injuries, not with concern, but with a detached analysis. “The damage is superficial. You let him hit you.Why? Testing your pain tolerance? Or just being sloppy?”

“He was strong,” Baki said, his voice gravelly.

“He was nothing.” Yujiro set the glass down on a side table with a final click. “And so are these little games of yours. Crawling around in dirt with insects. It’s beneath you.”

The familiar anger, hot and bright, flared in Baki’s gut. “What do you want? You didn’t come here to critique my form.”

For a long moment, Yujiro was silent. The hum of the city below was the only sound. Then he reached out. Not to strike. His hand, monstrous and yet strangely precise, came toward Baki’s face.

Baki flinched. A micro-twitch of pure, conditioned instinct. He braced for the impact, the slap, the fist that would send him through the glass.

It didn’t come.

Yujiro’s thumb brushed across the dried blood on Baki’s split lip. The touch was shockingly gentle, almost exploratory. Baki froze. His entire world narrowed to that point of contact, a searing brand against his tender skin. His breath hitched, caught somewhere between his throat and his lungs.

Yujiro’s eyes were unreadable pits in the half-light. “All this power,” he murmured, his voice a low rumble that Baki felt in his bones. “All this pain you seek out, invite, conquer… it’s just noise.” His thumb moved, tracing the line of Baki’s jaw, calloused skin against stubble. “A distraction from the real battle.”

Baki couldn’t move. Couldn’t think. This was wrong. This was a new kind of attack, one he had no defense for. The vulnerability he hid, the need he starved, was a clenched fist in his chest. And his father’s touch was prying the fingers open, one by one.

“What…” Baki’s voice was a dry whisper. “What are you doing?”

Yujiro’s other hand came up, framing Baki’s face now, holding him not with violence, but with an unbearable, focused intensity. “I’m looking at what I made,” Yujiro said. His breath was warm, smelling of expensive whiskey and something primal, something that made Baki’s stomach knot. “This perfect, fighting flesh. This will that refuses to break.” His gaze dropped to Baki’s mouth. “It’s mine.Every scar. Every ounce of strength. Every heartbeat.”

The words weren’t a boast. They were a claim. A declaration of ownership that went deeper than DNA, deeper than any insult or beating ever had.

The hollow place inside Baki screamed. It didn’t want to be owned. It wanted to be… seen. And this, this terrible, horrifying attention, was a form of seeing he’d never imagined.

He was trembling. He hated himself for it.

Yujiro saw it. A faint, unsettling light sparked in the depths of his eyes.Not triumph. Something hungrier. “You want my approval,” he stated, as if reading the blueprint of Baki’s soul. “You crave my recognition. You’ve fought your whole life for it.” His face was inches away now. The demon on his back seemed to loom over them both. “But you never considered what form it might take.”

Before Baki could process the words, Yujiro closed the last, impossible distance.

The kiss wasn’t gentle.

It was a conquest. A brutal, searing brand of possession. It tasted of whiskey and copper and a raw, unchecked power that flooded Baki’s senses, short-circuiting every thought, every reflex. His mind shattered into static. His body, trained for a lifetime to react, to fight, to defend, did nothing. It locked up, suspended in a wave of shocking, electric heat.

Yujiro’s hand slid from his jaw to the back of his neck, fingers tangling in his hair, holding him firmly in place. It was not an invitation. It was a demand.

And for one terrifying, heart-stopping second, buried under the shock and the violation and the sheer insane wrongness of it, Baki felt the hollow place inside him… react. It unclenched. It roared to life, not with anger, but with a devastating, yearning echo.

He wrenched himself back, gasping, stumbling over his own feet. He wiped his mouth with the back of his hand, his eyes wide with a horror that was already turning in on itself, becoming something more complicated and sick.

Yujiro stood where he was, a statue of absolute power. He looked at Baki’s panic, his confusion, with that same cool appraisal. A slow, deliberate smile touched his lips—a smile that held no warmth, only the promise of a deeper, more intimate violence.

“There’s your recognition, boy,” Yujiro said, his voice like gravel. “That’s the only kind you’ll ever get from me. Now you know what you’re really fighting for.”

He turned and walked back toward the windows, dismissing Baki as if he’d merely tasted a piece of fruit and found the flavor interesting.

Baki stood in the middle of the dark room, his heart hammering against his broken ribs, the taste of his father still burning on his lips. The neon cityscape blurred into a meaningless wash of color. Every certainty he had—about strength, about hatred, about the nature of the battle between them—had just been ripped away and replaced with a terrifying, unknown void.

He turned and fled, not like a warrior, but like a wounded animal. The elevator doors closed on the image of Yujiro’s broad back, silhouetted against the endless night.

Alone in the descending box, Baki sank to his knees. He pressed his forehead against the cool metal wall, his breath coming in ragged hitches. He didn’t understand. He didn’t understand any of it. But his body, traitorously, hummed with the memory of the touch, and his mind reeled through the darkness, chasing a new and terrible shape of a fight he could never, ever train for.

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