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The Unlikely Bond

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Prohero Shinsou has to fuck Bakugou as part of a mission

Chapter 5: The Confrontation in the Closet

The garment bag hung in the sterile closet like a second shadow. Bakugou stood in front of it for a full ten minutes after Shinsou left the room, listening to the faint hum of the pressure-sensitive mattress under his own weight. The air still smelled of leather from Obsequium, a phantom scent woven into his clothes.

He couldn’t stall forever.

The zipper was heavy, metal. It parted with a sound like a held breath being released. Inside, black fabric, matte and deep as a void. He pushed the bag aside.

It wasn’t a suit.

The centerpiece was a collar, thick and banded, made of a braided leather so dark it absorbed the light. It wasn’t designed to look decorative. It was a functional object, with a solid, brushed-steel O-ring at the front. Below it lay a harness. Not the theatrical kind from the display, but something engineered. Stiff, wide straps of the same leather, connected by a geometric web of thinner cords in a gunmetal grey that looked like parachute line. It was a topographic map of restraint, designed to trace the planes of his chest, the lateral muscles of his back, the taper of his waist. His eyes tracked the lines. They would cross over his sternum, wrap under his arms, converge between his shoulder blades. There, at the convergence point, another ring—this one larger, a gleaming inch of steel.

The final item was a pair of trousers in a soft, stretch-woven charcoal, cut impossibly close. They were simple. Deceptively so. They would leave nothing to inference.

Bakugou didn’t touch any of it. He just stared, his reflection in the dark closet door a pale, fragmented ghost superimposed over the gear. Silas’s geometry. The contradiction was perfect. The materials spoke of control, of being held down, while the design, the very lines of it, would highlight every ripple of the power that was being contained. It would make his strength look like an offering.

A soft scuff of a shoe on the threshold.

Bakugou didn’t turn. He knew the shape in the doorway, the particular quiet of him.

Shinsou had changed into his own outfit. Black trousers, a high-necked shirt of a dark silk that swallowed the light, leaving his pale throat and the sharp lines of his collarbones stark against the fabric. He looked like the negative space around a knife. His eyes went from Bakugou’s rigid back to the garments on the rail, and his expression didn’t change, but something in the air between them crystallized.

“They work fast,” Shinsou said, his voice flat.

“You knew what it would be.” It wasn’t a question.

“I knew the general concept. Katsuragi’s tastes aren’t subtle.” Shinsou took a step into the room, the door hissing shut behind him. “The details are… specific.”

Bakugou finally turned. The anger was a cold, solid thing in his gut now, not a fire. “Specific. Yeah. There’s a fucking handle on the back.”

“It’s a ring. For aesthetics.”

“Don’t.” Bakugou took a step toward him. “Don’t do that professional analysis shit with me right now. Not here.” He gestured violently at the clothes. “You saw his measurements. You knew what he was building. A fucking leash.”

Shinsou’s gaze didn’t waver. “It’s a prop. For a role. Just like my voice is a prop. Your explosions are a prop tonight. We are dismantling a network that trafficks quirks and people, Bakugou. This,” he nodded toward the harness, “is a tool. It gets us into the vault. It makes Katsuragi feel like he’s won before we even start.”

“It makes me feel like a goddamn prize pony.”

“You are the prize,” Shinsou shot back, a crack of sudden heat in his tone. He moved closer, until the sterile space between them vibrated. “That’s the entire point. You’re the explosive, impossible-to-hold hero that someone else supposedly caught. My role is to look like the man who did the catching. The harness isn’t for him. It’s for them. It’s visual proof of the story we’re selling. Your compliance is the most valuable weapon we have in that room tonight, and you flashing your teeth at me in this safe house doesn’t change that.”

Bakugou laughed, a short, bitter sound. “My compliance. You keep using that word. Felt a lot like kneeling on a cold floor.”

Shinsou was silent for a beat. His eyes, those tired violet discs, scanned Bakugou’s face. “I know what it felt like.” The admission was quiet, stripped bare. “I have a file an inch thick on what that man, Silas, has done to people he considers true clients. What he wanted to do to you was worse. The geometry was the compromise. So yes, I let it happen. And I’d let it happen again to get the job done.”

The raw honesty was a different kind of disarming. Bakugou’s fight stuttered. He looked away, back at the harness. The anger was still there, but it was morphing, mixing with a grudging, terrible understanding. And something else, a humming wire of tension that had nothing to do with the mission and everything to do with the man standing so close in the dark room.

“Kirishima’s going to see this,” Bakugou said, the words leaving him like a surrender.

“He is.”

“He’s gonna see you… with a hand on that ring.”

Shinsou didn’t deny it. “Probably.”

The image flashed, unwanted and visceral: Shinsou’s long fingers curled around that steel, a subtle guide, a claimed weight. The logic of the mission collided with a sudden, shocking bolt of physical awareness. Bakugou’s breath hitched, just once.

Shinsou heard it. Saw the minute flare of his nostrils. The dynamic shifted, tilting on its axis. The professional distance shattered. They were just two men in a quiet room, standing too close to a line that was already blurred beyond recognition.

“We have forty minutes,” Shinsou said, his voice lower now, a roughness sanding the edges. “You need to get dressed. I can help with the closures. They’re intricate.”

It was a practical statement. It was an offer. It was a challenge.

Bakugou held his gaze, the war inside him silent and furious. Pride, duty, disgust, and a spark of that forbidden, fever-bright curiosity he’d felt in the club—all of it churned together. He gave one sharp, jerky nod.

He turned his back on Shinsou and reached for the trousers.

The soft fabric was cool. They fit as promised—like a second skin, restricting nothing but announcing everything. He kept his back turned, feeling the air move as Shinsou approached. He didn’t look as Shinsou lifted the harness from the rail. The weight of the leather was substantial, serious.

“Arms out.”

Bakugou complied, closing his eyes. The harness settled over his shoulders. Shinsou’s hands were steady, efficient. They pulled straps, tightened buckles at his sides, their knuckles brushing against the bare skin of his waist where his shirt would have been. Every touch was clinical. And yet. The slide of the leather, the crisp click of each buckle closing, the palpable presence of Shinsou working behind him—it was the most intensely focused attention he’d ever felt. It wasn’t Silas’s cold appraisal. This was meticulous, intimate. Possessive in a way that made the mission’ fiction feel dangerously thin.

Shinsou’s fingers traced the line of a strap along the curve of his left pectoral, smoothing it flat. Bakugou stopped breathing.

Finally, the collar. Shinsou came around to face him, holding it. Up close, Bakugou could see the fine grain of the leather, the robust weld of the ring. Shinsou’s expression was unreadable, a mask of pure concentration. He raised it, his arms encircling Bakugou’s neck to fasten it at the back. For a second, his forehead was nearly resting against Bakugou’s temple. Bakugou could smell the clean, faint scent of his soap, could see the dark fringe of his eyelashes.

The buckle clicked, a final, definitive sound. The collar sat snug, not choking, but undeniably present. A claimed weight.

Shinsou stepped back, his eyes doing a slow, comprehensive sweep from Bakugou’s feet to his throat. His gaze was like a physical touch, inventorying the result of his work. Bakugou felt exposed, hyper-visible, every nerve ending alive.

“Look,” Shinsou said, his voice barely a whisper.

He turned Bakugou by the shoulders toward the full-length mirror on the wall.

The man in the reflection was a stranger. A powerful, dangerous stranger dressed for a specific kind of surrender. The harness framed him, cutting across his built chest, emphasizing the width of his shoulders before cinching his waist. The grey cords webbed over the black leather like circuitry. The collar was the anchor. It transformed his defiant stance into something else—a contained volatility. He looked like a held breath. Like a detonation waiting for a permission he wouldn’t give.

And Shinsou, standing just behind his shoulder in his own monochrome uniform, completed the picture. The contrast was the story: controlled chaos and the calm that shaped it.

“They’ll believe it,” Bakugou heard himself say, the words rough.

“They will.” Shinsou’s eyes met his in the glass. For a long moment, neither moved. The silent understanding passed between them, heavier than the leather, colder than the steel. This was the point of no return. The gear was on. The roles were waiting.

Shinsou broke the gaze first, turning to retrieve a small comm unit from the nightstand. “Earbuds in. Check your levels. The team moves in fifteen.”

Bakugou took the offered bud, his fingers brushing Shinsou’s. The contact was electric, a tiny, unscripted spark in their world of careful fiction. He inserted it, the tech clicking softly into place, and the outside world, the real one with its mission parameters and backup teams, came flooding back in.

But under the cool weight of the collar, under the map of straps across his skin, the spark still glowed, a live wire buried deep, waiting for the night to ignite it.

But under the cool weight of the collar, under the map of straps across his skin, the spark still glowed, a live wire buried deep, waiting for the night to ignite it.

A staticky crackle filled Bakugou’s right ear, followed by Kirishima’s voice. “Ground team in position. Visual on the east service entry. You two decent?”

Bakugou cleared his throat. “We’re ready.”

“Copy that. Comms check. Shinsou?”

“Reading you.” Shinsou’s voice was a detached monotone again, the one from the boutique. He adjusted his own earpiece, his fingers deft and sure, not a single tremor. “Remember the signal. If you hear me say ‘petrichor,’ the vault location is confirmed and we’re moving to extract. Any deviation means we’re compromised.”

“Understood. Good luck, man.”

The line went silent. The empty quiet of the safe house rushed back in, thicker now. Shinsou picked up a long, black coat and held it out. “For the car. Can’t have the neighbors getting a free show.”

Bakugou shoved his arms through the sleeves. The heavy fabric covered the harness completely, leaving only the collar visible above the wool. It felt like a cheap disguise, a paper screen hiding a lit furnace.

They took the private elevator down to the garage. The ride was soundless. Bakugou watched their reflection in the polished brass doors—two severe shapes in black, standing apart. Shinsou stared straight ahead, his hands in his pockets, the picture of cool containment. Bakugou wanted to crack it. He needed to see a fracture.

“Still thinking about geometry?” he asked, the words grating.

Shinsou’s eyes slid toward him, a slow, considering movement. “I’m thinking about tensile strength. And pressure points.” His gaze dropped to Bakugou’s collar for a heartbeat before returning forward. “The theory is sound.”

The car was a sleek, electric sedan with tinted windows. Shinsou drove. The city lights bled across the windshield in liquid streaks. Bakugou fidgeted, the leather straps creaking softly with every shift of his shoulders. The sensory memory of Shinsou’s hands tightening those same straps was imprinted on his skin.

“Stop moving,” Shinsou said, not unkindly. “You’ll ruin the lines.”

“The lines are fucking ridiculous.”

“They’re working.”

Bakugou turned in his seat. “How would you know?”

Shinsou’s knuckles tightened on the wheel. He took a long, controlled breath. The car’s interior felt suddenly smaller, the air warmer. “Because looking at you right now is a tactical problem I didn’t anticipate.” The admission was quiet, ripped from him. “It’s distracting. The whole point of that thing was to sell a lie to strangers, not to get inside my head. So stop. Moving.”

The raw honesty was a shockwave. Bakugou went perfectly still, his heart hammering against the leather strap bisecting his chest. He’d wanted a fracture. He hadn’t expected a fault line.

He saw the rapid pulse in Shinsou’s throat. He watched the careful, too-controlled rhythm of his breathing. The professional mask was still in place, but beneath it, a current of pure, unchanneled want was humming through the man’s wiry frame. It was in the slight dilation of his pupils in the passing streetlights, in the way his jaw was clenched tight enough to grind stone. He wasn't just observing a tool for the mission. He was seeing him. The realization was a chemical spill in Bakugou’s gut, hot and unraveling.

They didn’t speak again.

The villa was a lit jewel on a dark hillside, all sharp modern angles and glass. Valets swarmed the car. As Bakugou stepped out, the night air cool on his face, Shinsou was instantly beside him. His hand didn’t go to Bakugou’s arm. It settled firmly on the back of his neck, his thumb pressing deliberately into the muscle just below the leather collar. It wasn’t a guide. It was a declaration.

“Remember,” Shinsou murmured, his breath ghosting Bakugou’s ear as they walked toward the shimmering doors. “You hate this. You hate me. But you can’t help the way your body reacts. That’s the story.” His thumb stroked once, a devastating pass of calloused skin. “So react.”

Then the hand was gone, leaving a brand of heat on Bakugou’s skin. The massive doors swung inward, releasing a wave of music, perfume, and low laughter. The bright, hungry eyes of the villa’s inhabitants turned toward them. Shinsou’s posture shifted into something predatory and pleased, his earlier tension hidden beneath a veneir of cold ownership.

But Bakugou felt it. That live wire between them was no longer just glowing. It was sparking, threatening to catch, and the whole night was drenched in fuel.

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