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Desire Beneath the Moonlight

Summary:

Akutagawa may not fully understand what he wants from the Weretiger, but he's determined to get it.

Notes:

(See the end of the work for notes.)

Work Text:

“Because I want to.”

Atsushi stopped struggling underneath Akutagawa’s grip. “H-huh? You want — that’s crazy. Whatever you’re…feeling, there’s no way you want…this.” Atsushi’s face flushed bright red as he stammered through his words. 

Akutagawa looked as revolted as Atsushi felt. “Believe me, Weretiger, I’d much rather kill you. But I’m certain this is my desire, though I can’t fathom my reasoning. Just keep still and it’ll be over quickly.”

“Like hell I’ll ー hgghn,” Atsushi gasped.

Akutagawa shoved his cold hand underneath the crisp, white fabric of Atsushi's button up. With his other hand, Akutagawa ripped through the buttons in one swift motion. Atsushi instinctively tried to cover his chest, but Akutagawa scoped up his wrists and dragged them up over his head. “I told you to keep still. Rashōmon; Higanzakura.” 

Black tendrils exploded out of Akutagawa’s coat. They raced up Atsushi’s bare chest and formed silky manacles around his neck and wrists. He winced as the cold, wispy tendrils tightened into heavy steel, binding his hands to a black chain around his neck. Atsushi gave his wrists a yank. A shiver went down his spine as he realized he couldn’t move them much. 

Akutagawa dragged the icy pads of his fingers up Atsushi’s stomach, circling one of Atsushi’s hard, pale nipples before flicking his finger up and down. He looked amused. “You’re underdeveloped. You don’t even have hair here. It’s pathetic.”

His shock and fear subsided long enough for him to feel offended. Look who’s talking, Atsushi thought, turning his head away. A tug at his belt made him focus. Akutagawa tossed his belt on the floor and eased off his pants. Atsushi paled. He could hear the sound of his heart thumping in his ears. “You’re serious about this?” 

“Why else would I break into your apartment?” He didn’t hesitate to tear off Atsushi’s boxers before grabbing his legs and sliding them around his waist. The sound of Akutagawa’s zipper coming undone echoed in Atsushi’s ears. Akutagawa pulled his cock out and Atsushi’s mouth fell open. Despite being around roughly the same height, he’d always regarded Akutagawa as an exceedingly fragile man. The idea that he would be well endowed was jarring. But even from his awkward position propped up on pillows, it was impossible to ignore the intimidating length of his erect cock, or the way pre-cum made the network of veins running up and down his shaft glisten in the soft moonlight.

Akutagawa didn’t give him much time to think about it. He pushed Atsushi’s soft member out of his way and shoved his cock against his opening with a harsh thrust. 

Atsushi yelped. Akutagawa’s cock glanced off his body. He immediately righted himself and matched the light pink head with Atsushi’s hole. Digging his thumbs into Atsushi’s waist, he forcefully tried to push himself inside. 

“A-ah! S-stop! You can’t be serious!” Atsushi yanked his leg back and kicked Akutagawa in the stomach. 

More of Rashōmon ’s tendrils sprung out of his coat and snatched Atsushi’s leg away by the ankle. Akutagawa clutched his mouth and coughed, the violent sound bouncing off the plain white walls. Atsushi swallowed a pang of guilt.  

“Resist me again…and I’ll make you regret it,” he wheezed. 

“Of course I’m resisting you! It hurts!”

Akutagawa looked away, obviously annoyed. “Quit being dramatic. How else do you expect me to do this? I’m already going stupidly slow.” 

Atsushi briefly wondered if the universe was punishing him for some recent mistake. Why else would he be tasked with explaining anal sex to a high-ranking port mafia member? Unable to bury his bright red face in his hands, he settled for squeezing his eyes shut. “Going slowly isn’t enough. That place is…too tight for something that big. You have to start with something smaller, like —,”

“Got it.” 

The icy strands of Rashōmon around his wrists and ankles slowly started to bleed down his body. Tendrils raced down his thighs and waves of rippling black rushed over the soft fat of his stomach. Akutagawa watched with a cold expression. Every inch of bare skin touched by the inky ability felt electric. Atsushi couldn’t stop himself from arching his back; out of the corner of his eye, he saw Akutagawa smirk. 

Rashōmon spiraled around Atsushi’s half hard cock and started to swirl up and down, as though it was stroking him. Pleasure flooded his brain and for a few seconds, Atsushi thought about nothing at all. It was actually pleasant. Then he noticed that his opening was wet. 

His eyes flew open as he struggled to sit up. All he could see was black. “What is that? Why am I wet?”

“It’s Rashōmon . Dark matter takes a fluid form.” Akutagawa’s tone was devoid of emotion but the glint in his eyes was vicious. 

Atsushi felt strands of Rashōmon pull away from the back of his legs. His eyes went wide as he watched the strands coalesce into a slender rod, slick with fluid. Akutagawa tilted his head and Rashōmon plunged inside him. 

Atsushi yelped, letting his torso fall back onto the pillows. His body throbbed around the intrusion and he waited, rigid, for the pain to come as shock wore off. It didn’t come. As it started to slip out, the mass inside him, dripping wet, rubbed against his inner walls in a way that sent warmth all the way up to his stomach. 

With a smug look on his face, Akutagawa swept his pale, bony fingers forward and sent Rashōmon sailing back into Atsushi. It crashed into his prostate, sending thunderous sparks of electricity coursing through his body. High-pitched, incoherent noises escaped from his mouth. He twisted his torso underneath Rashōmon ’s grip, pawing at the sheets with his bound hands, trying to escape as it started to rock back and forth violently inside him. 

Akutagawa grabbed Atsushi by the shoulders and slammed him back into the mattress. Rashōmon spasmed inside of him. As it pulverized his inner walls, his legs trembled and fat tears slipped down his puffy cheeks. 

"Stop it before I change my mind about killing you," Akutagawa spat.

"I-it feels weird," Atsushi gasped, "I can't take anymore." 

“It hurts. It feels weird. You’re a liar, Weretiger. You don't like it?" Akutagawa shoved his hips into Atsushi’s, gliding his cock, slick with precum and Rashōmon , along Atsushi’s erection. Atsushi choked back a whine but couldn't stop himself from flinching. Rashōmon spasmed inside him again and he gasped. The hard blackness started to expand, crushing sensitive places. "You expect me to believe that when you're like this?"

Rashōmon grew inside him until it was a thick, bulging mass, gently rocking back and forth. The pain caused by its new size was slight, and easily overshadowed by the warm friction creeping up his stomach as Akutagawa rubbed himself on Atsushi. Droplets of sweat began cropping up on the backs of his knees and rolling down his thighs. Atsushi felt the sensitive mass of heat in the pit of his stomach tighten, ready to snap at any second.

“Akutagawa, enough! No more…inside me,” he tried to keep his tone sharp and intimidating, but stammered through the last words. His pale skin flushed red all the way down to the tops of his shoulders. 

Regardless, the hard mass of Rashōmon melted away inside him. Akutagawa narrowed his eyes and the corners of his mouth pulled up. “Want something else?”

He didn’t give Atsushi a chance to answer. He pulled back, grabbed Atsushi by the hips, and forced himself inside. Sudden, sharp pain shot through his lower half, but was immediately eclipsed by the white hot pleasure that coursed through him as the ball of tight heat in his stomach burst open. 

It came in waves and Atsushi started to unravel; fluffy feline ears shot up through his silver hair, the whites of his eyes shone gold. He welcomed the white nothingness that evaporated his thoughts as hot, electric current overwhelmed his nerves. 

As the feeling started to fade, Atsushi came back to his body. The slight edge of pain was still there, and Atsushi realized Akutagawa was still inside him, looking down on him with a face that was frozen in shock.

He regained his composure swiftly when he noticed Atsushi’s gaze. Akutagawa swiped a finger over Atsushi’s cum glazed stomach and held his hand up to the moonlight, like he wasn’t sure what he was looking at. His face twisted in disgust. He shook his head and wiped his hand on the bedsheets. “You’re a mess.” 

He started moving inside Atsushi again. His thrusting was violent; he crushed Atsushi’s prostate everytime he went in and ripped himself out so fast it didn’t give Atsushi time to recover. Atsushi’s mind started to empty again. He pointlessly writhed against the iron grip Rashōmon had on his wrists, wanting to hold onto something stable. 

Akutagawa shoved the palm of his hand into Atsushi’s stomach, feeling his bulge through his flesh. “Quit squirming.”

The added pressure made Atsushi flinch; he was unable to choke back a stream of obscenities and high pitched whines. Then he caught a glimpse of Akutagawa's expression.  Sweat dribbled down Akutagawa's bright red cheeks. And when Atsushi met his eyes, he was frightened by their hazy, distant look. He swallowed hard, suddenly cold. 

"Akutagawa. Let go of my wrists.” His voice was gentle and pleading. 

Rashōmon broke away from his wrists and neck like the snapping of a taut rubber band. Atsushi rewarded him by wrapping his arms around Akutagawa’s shoulders. 

"S-shh, it's okay, it's okay."

"Shut your mouth." Akutagawa tensed, violently slamming the full weight of his body into Atsushi, as though he was punishing him for speaking. Wet, harsh sounds echoed throughout the room as Akutagawa railed him. Atsushi's right arm suddenly exploded into fur and talons. He didn’t even notice as he pierced through Akutagawa’s skin, struggling to hold on. 

Blood trickled down his back as Akutagawa startled and yanked them up into a sitting position. Their new position forced Atsushi to quickly and delicately balance on his knees, in a desperate attempt not to be impaled. The corners of Akutagawa’s mouth twitched. The way Atsushi nervously clung to his shoulders amused him.

Akutagawa grabbed Atsushi's hips and slammed him down. The strangled cry that escaped his throat satisfied Akutagawa as he dug his bony fingers into his hips and angrily bounced him back up and down. Atsushi felt like a rag doll. His face burned as he listened him to himself gasp and whine over and over again, struggling to string together a coherent sentence. Anxious to silence himself, he sank his teeth into Akutagawa’s shoulder, oblivious to the way his teeth had become sharp and feline.

Flinching, Akutagawa grabbed a fistful of Atsushi’s damp, silver hair and yanked. “Are you trying to hurt me, Weretiger?” His voice was amused and mocking. “Do you want to die tonight?”

Guilt washed over him. Atsushi struggled to gently pull his teeth out of Akutagawa’s snow white skin while Akutagawa was still thrusting inside him. He lapped up the blood that seeped out of the new holes in Akutagawa’s collarbone and pressed his lips to the wound as an apology. “My name isn’t Weretiger,” he mumbled into Akutagawa’s cold skin. “It’s Atsushi.”

“And? What of it?” Akutagawa’s voice was strained. He was thrusting into Atsushi faster and harder. His eyes took on that clouded look again, and Atsushi started moving his hips on his own, as his abdomen twisted itself into knots again. The pained look on Akutagawa’s face made Atsushi bold; he grabbed his face and kissed him. 

Akutagawa’s whole body stiffened. As Atsushi licked at his tongue, he waited for him to rip Atsushi’s face away by the roots of his hair. He didn't. His answering kiss was forceful and clumsy as he sucked on Atsushi’s tongue and bit at his bottom lip.

Kissing Akutagawa felt like winning, or at the very least, acceptance. 

Breathing hard, Akutagawa had stopped moving. Atsushi pulled away and cupped Akutagawa’s face, lacing his fingers through the silky white and black strands of his hair. Akutagawa's steely gray eyes desperately searched Atsushi’s face. In response, Atsushi dug his claws into Akutagawa’s shoulders and pushed himself up, letting himself fall back onto Akutagawa’s cock in one hard motion. He could feel the muscles in his abdomen clench and twist, begging for release. Eager to push himself over the edge, he stroked Akutagawa’s ashen face. 

“Akutagawa, call me by my name. Please,” he begged. His voice was barely a whisper. 

Akutagawa snapped out of his trance. He threw Atsushi back onto the mattress and pinned him down with the weight of his waist and his cock, still inside. As he penetrated Atsushi with quick, hard thrusts, his hands found their way to Atsushi’s thin neck. Akutagawa choked him. It was hard enough to restrict airflow, and hard enough to frighten him, but not hard enough to keep his body from tightening up around Akutagawa. 

“You’re pathetic, Atsushi.” 

Atsushi froze. The sound of Akutagawa’s low, hoarse voice wrapping around his name was overwhelming. Akutagawa’s stomach got soaked in Atsushi’s cum as he writhed and dug his claws into the bed. His body went rigid as waves of pleasure sprung from his core. 

Akutagawa couldn’t handle the way Atsushi tightened around him as he came. He collapsed on top of Atsushi, clutching his head by his fluffy, feline ears. Breathing hard, he drove himself into Atsushi one last time and came inside him. 

Atsushi wrapped his arms and legs around Akutagawa as he came, careful not to scratch him too hard. The warmth that flooded him was both shocking and soothing. He felt himself relax into Akutagawa’s body, enveloped by the sweet smell of his skin. He kept his limbs draped around Akutagawa even after he’d been drained. 

For a moment they remained intertwined, peaceful. Then Akutagawa’s body went completely slack. He crashed on top of Atsushi, slipping into a coma-like sleep, despite still being inside him. And for reasons he couldn’t explain, Atsushi was compelled to let him enjoy his slumber.

⧫⧫⧫⧫

The next morning, Akutagawa had vanished. For a disappointing half-second when Atsushi opened his eyes in an empty bed, he thought he merely dreamed the entire encounter. But as he stood in front of the bathroom mirror, the blackish blue bruises around his neck were undeniable, as was the translucent fluid dripping down his upper thigh. He found himself breathing a surprising heavy sigh of relief. His night with Akutagawa was real. He showered and dressed the same as he did every other day before work, but from then on, he fell into the habit of leaving his dormitory window unlocked. 

Notes:

I'm sorwwy I'm like this!