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Katsuki should have known something was up with his roommate. Deku’s personality did a 180, making the bunny hybrid more skittish, confining himself to his room. In fact, that was how most bunnies acted around a wolf like Katsuki, but Deku had always been different from his peers.
Too many times the wolf had to pick up conversations not meant for him with the fuzzy ears atop his head.
Izuku, is it really okay for you to be living with such a…beast?
Maybe you should find a new place to live. You know what wolves do to bunnies.
Why do you let him make jokes at your expense? Izuku, you know there is some truth at the center of every joke.
Promise you’ll tell me if he’s making you uncomfortable.
But none of the naysayers got to the bunny. Deku remained in the apartment, all his fanboy shit littering practically every corner. In all seriousness, Katsuki thought his best friend would move out after one too many comments. It was a relief every time he came home to find the bunny’s things still lying around their shared space.
They often ate together, Katsuki having learned how to make some fancy vegetarian dishes for Deku. He swore seeing the stars in the bunny’s eyes was the best thing ever. It filled him with pride to know he did that. When not at work or spending time with their own friend groups, the two spent all their free evenings and weekends together. They worked out, shared meals, went to the movie theater and arcade. But then it all stopped.
It was like one day Katsuki had his best friend and the next, he was gone. No more cheery “Good morning, Kacchan!” No more seeing that goof shake his furry little behind to music while he cleaned the apartment. His evenings went from time spent with the little bunny to eating alone and cautiously knocking on Deku’s door to receive a startled squeak and no real answer except for the deceptively erotic sounds happening behind the barrier.
It made the wolf’s chest with an ugly feeling. Did Deku have a lover? Was he embarrassed to let him meet Katsuki? Or maybe he was just tired of hearing people say the wolf was too dangerous for a prey hybrid to live with.
Still, he was getting really fed up with this bullshit.
After nearly a week of Deku’s avoidance tactics, Katsuki had had enough! Coming home from a bad day at work where it took everything not to bite every idiot’s damn head off, the only thing he wanted was to spend time with his best friend. He missed Deku’s bright face perking up when he walked through the door. And the way he hummed when taking a pleasurable bite of food. But most of all, he just missed being around the little ball of sunshine.
Katsuki knew he’s been lying to himself for years. They’d been friends since they were little kids, even if the wolf wasn’t sure how to deal with all his raging predator instincts during a period in middle school. But they’d worked things out and it settled him to know Deku wasn’t even a little bit afraid of him. And boy did that also mess with his head…because the first week they moved in together, the wolf went into rut and Kirishima had to come over to reinforce his bedroom door so Katsuki wouldn’t break it down and claim the little bunny for his own.
No one else knew how much he desired Deku. How when their friends spoke about mates, a happy freckled face always appeared in Katsuki’s mind. He supposed that was why it hurt so much that Izuku retreated into his room with no explanation.
Katsuki hoped Deku hadn’t found out about his feelings and was now packing up all his things. The wolf was sure it would break him if he returned home one day to find no trace of the bunny he loved so much.
Kicking off his shoes and marching to the bedroom that had remained closed off for too many days, Katsuki grit his teeth and pounded his fist against the door.
“Deku! Open up!”
A squeak and the sound of something heavy clattered to the floor with a thump.
“I’m tired of this bullshit! Help me make dinner before I turn you into my meal.”
The last thing Katsuki was expecting was the long moan that vibrated behind the door. The wolf’s ears twitched and arousal shot down his spine, landing between his legs.
“Kacchan!” The bunny whined, voice muffled and mixing with a wet squelching noise.
“Deku, what’s wrong?” Katsuki asked. “You haven’t been yourself in days and I don’t appreciate that I didn’t even get a fucking warning. I swear to fuck if you’re planning on leaving when I’m not home, nothing will stop me from tracking you down. I know what you smell like, dipshit!”
Another high keen along with more frequent squelching sounds echoed behind the door.
“Fine, be a little bitch. I’m making dinner.”
The wolf stomped off trying not to think about whichever loser was locked in there making his Deku make those pretty noises. Katsuki tripped over his feet and practically fell into the counter as that thought hit him like a speeding train. He shook his head.
“Deku isn’t yours, idiot. Don’t think like that.”
He desperately needed to busy himself with making dinner or surely, he’d lose his mind. Katsuki was halfway through chopping vegetables when a strangled cry sounded from Deku’s room. Nearly cutting himself as he flung the knife onto the counter, the wolf raced across the apartment and twisted the doorknob to the bunny’s room. It was locked.
“Deku?! Deku? What happened?!”
Panic twisted in Katsuki gut. Who had hurt his best friend? His sweet bunny? His mate?
With a fierce growl, the wolf used all his strength to break the lock, causing the door to fling open and crash against the opposite wall. A few things happened simultaneously.
Katsuki was assaulted with the sweet scent of fresh flowers and honey, his pupils dilating on instinct. He realized then that there was no one else in the room. Just his roommate. Emerald eyes, filled with tears, met ruby as Deku whined, one hand holding a dildo securely in his glistening, swollen pussy.
“Kacchan!” The bunny cried, immediately forgetting about his toy in order to launch himself at the stunned wolf in the doorway.
Furry legs wrapped around Katsuki’s waist and wet, sticky fingers clasped behind his neck. Floppy green ears ticked the wolf’s chin as Deku nuzzled into him, hips grinding his wet folds on Katsuki’s clothed hardening cock.
“You’re in heat,” he stated dumbly.
“Kacchan, I’ve missed you!” Izuku whined, leaving a trail of nips and licks along the predator’s neck and shoulder.
“You always go to your mom’s for your heats. What ha-”
“I’m sorry! I’m sorry!” Deku whined. “I’m a good bunny! It came early and I didn’t want to b-bother Kacchan.”
Katsuki shushed him softly, finally wrapping thick arms around his sweet Izuku’s back. “You’ve a very good bunny. I’ve got you.”
Izuku went limp in his arms at the praise. His teeth chattered in an imitation of a purr and Katsuki couldn’t help nuzzling into his nest of curls. He’d thought about doing this for so long!
But then realization hit and the wolf knew he needed to make a swift exit before he fucked up their entire relationship. Taking three long strides, he placed the bunny back on the bed. His heart ached at the pure loving look in those swirling emerald depths. Katsuki took a step back only to step on the dildo that had slipped out when Deku hopped across the room.
He looked down at it and the wolf felt breath catch in his lungs. That wasn’t a typical bunny toy. Katsuki swallowed and bent to retrieve it. He startled at the feel of Izuku’s hands pawing at the front of his pants and kissing over his hard length, still trapped under the cloth.
“This is,” the wolf choked, examining the distinct knot at the base of the dildo.
“Reminds me of Kacchan,” Deku chirped. “Always think of Kacchan.”
“Fuck!” Katsuki hissed when that little shit finally got a hand under the waistband and grabbed hold of his dick. It twitched in Deku’s soft palm, betraying how much he wished he could take advantage of this moment. “Deku stop!”
The bunny’s ears fell back, eyes brimming with tears as sniffles began to fill the room. “Bad bunny!” Deku cried, diving for his nest and throwing all manner of things over him to hide amongst the mess.
Katsuki was sure he saw a couple of his shirts in there. Ones he swore he’d worn earlier in the week.
“Izuku please,” the wolf sighed, placing the silicone toy on the nightstand. “I know you think you want this now, but when you come out of the haze you’re gonna hate yourself…and me.” Katsuki’s ears were pinned to his head at that thought. “I can’t-”
“Kacchan,” Izuku sighed, peeking out from under the pile. “Want Kacchan. Please! I need you!” The blankets and pillows exploded over the bed as the little bunny tackled the wolf to the floor.
He tore at Katsuki’s pants, sliding them down just enough to free his aching cock. A second later the predator’s eyes rolled back as tight, wet heat sheathed him, sucking his length in a way he’d never been able to imagine in his wildest dreams.
“Holy shit!” Katsuki gasped, hands fisting and claws digging into his palms.
Without warning Izuku started bouncing up and down, fucking himself swiftly on the wolf’s dick.
“S-Slow down!” Katsuki panted. He was already flying toward the point of no return. He could feel his heartbeat hammering in his groin, lungs constricting as he stared up at the sinful bunny taking everything and anything he wanted from the predator.
“Kacchan, Kacchan, Kacchan! Feels so good. So much better than a toy. So much bigger ,” Izuku moaned.
“Fuck, fuck,” the wolf bit his lip, hands darting out to grip Deku’s furry hips as he felt his knot begin to inflate. “I’m gonna, shit, you’re sucking me in. I can’t hold back!”
“Yes yes! Kacchan please. I need it!” Izuku slammed his hips down over and over, whining in desperation.
Those tight walls constricted tighter around Katsuki’s throbbing cock. The wolf growled and thrusted his hips upward at the same time Izuku dropped down. His knot caught, inflating bigger and bigger, stretching the bunny’s cunt wider than it ever had before.
Izuku sobbed and shook, nails scratching at Katsuki’s shirt. His tight pussy fluttered around the massive cock buried inside, orgasm hurtling through him. A moment later, he flopped onto the wolf who wrapped his arms securely around the bunny.
Izuku’s heart was racing, lungs nearly matching its tempo. He hummed and chattered his teeth in contentment, nuzzling into Katsuki’s chest.
“Mmmm, Kacchan,” he sighed. “Just what I needed.”
The wolf stiffened, tightening his hold around the bunny and huffing in his scent. If this was the last time he got to experience his love’s comforting scent, then he was going to get his fill. Katsuki’s heart ached at the thought of never seeing Izuku again. He couldn’t just let him leave. Izuku was his everything!
“Please don’t move out.” The words were so small, so painful, Katsuki wasn’t even sure that voice belonged to him.
“Huh?” Izuku popped up as best he could in the wolf’s hold to look him in the eyes. “Why would I move out?”
“I don’t– you shouldn’t–”
“Oh, Kacchan,” the bunny melted with a loopy smile. “Silly wolf, I’m not going anywhere! Do you know how much I’ve wanted to just sneak in your room at night and suck you off? Or wished you would break down my door sooner just to ravage me?” He sighed wistfully. “You’re the only one I fantasize about during my heats. And now I have the real thing. My heart is going crazy and I don’t ever want you to stop holding me.”
Katsuki crushed the bunny to his chest, softened cock slipping out along with a splash of his come. “You’re mine,” he growled, nipping at the sensitive skin behind Izuku’s ear. “You’ve always been mine.”
“I know,” the bunny purred. “And I wouldn’t have it any other way. I think I’ve gone through about a dozen of those dildos hoping that one day I wouldn’t need it anymore.”
“Tch, that shitty piece of plastic ain’t got nothing on me. You want my dick, you can have it. Anytime, anywhere.”
Izuku’s eyes darkened, scent thickening. “Kacchan, you shouldn’t promise things like that. I think you underestimate how often I want you everywhere.”
“Yeah?” Katsuki asked, sitting up so the bunny was resting in his lap. His cock was already standing at attention again, and with a well timed thrust, he was fully sheathed in the perfect heat once more. The loud squelch of his spend sloshing around inside Izuku’s tight pussy was music to his ears. He raised an eyebrow at his pretty little roommate and smirked. “Let’s see how long it takes to wear you out.”
With feet firmly planted on the ground, Katsuki hammered up into Izuku, keeping his arms wrapped around the prey hybrid so all he could do was sit there and take it.
The bunny’s hands were pinned to Katsuki’s chest, nails desperate digging into his shirt as he wailed.
“Please, please, please, please! I need more. Kacchan more!” Izuku sobbed.
In a second, the bunny was tossed into his nest, bouncing on the mattress and whining now that he was empty once more.
Katsuki took the chance to remove the rest of his clothes before joining Izuku on the bed.
“Roll over. Ass up.”
The bunny was quick to obey, fluffy green tail flicking excitedly. He shivered when Katsuki’s fingers ghosted over his leaking sex, thrusting back to try to control where he was touched.
“So pretty,” the wolf huffed. “And so wet. All for me?”
“Only for Kacchan,” Izuku whined, wiggling his hips enticingly. “Please.”
Katsuki lined up the head of his cock, sliding in with one long stroke and pulling twin moans from them. He gripped the bunny’s hips with bruising force, pulling him back to get as much of his throbbing dick inside. The flutter of hot, velvety walls around him was heaven.
Pulling back so only the tip remained kissing those glistening folds, the wolf slammed inside. The air was punched out of Izuku’s lungs over and over again as he repeated the motion. But he couldn’t stop staring at the lovely sight of his cock stretching his bunny’s pussy. It looked like a dream and felt so incredible.
“Close,” Izuku panted. “Please, I want to come on your cock again.”
Katsuki growled, throwing away any semblance of rationality and letting his instincts take over. Draping himself over Izuku’s back, he fucked into the bunny’s deliciously wet pussy as a grueling pace. Holding his weight on one hand, the wolf reached under them to swirl his fingers over engorged pearl nestled among green curls. Izuku clamped down on Katsuki’s cock, crying in relief.
Nips and kisses were trailed all over Izuku’s neck, shoulders and back. If the skin was in reach, Katsuki was marking it. His fingers matched pace with his thrusts, furiously flicking over the bunny’s clit.
“Ah, ah, Kacchan, yes. Oh God, yes, I’m gonna, I’m gonna-” Izuku squealed as his orgasm rushed through him, pussy clamping around Katsuki’s inflating knot.
“That’s it, Angel,” the wolf cooed. “Come on my cock. Let me fuck you full of a litter. Gonna make you round with my pups and keep you full for months.”
His knot popped, catching on the bunny’s still trembling cunt. Katsuki rocked them into the mattress, fucking his knot as deep as it could go as he painted those velvety walls with his come. Teeth sank into the soft skin where Izuku’s neck and shoulder met, effectively marking the bunny as his mate. Katsuki lapped at the few beads of blood that trickled over freckled skin.
“I love you,” Izuku whimpered. “So much.” Tears dripped onto the mess of blankets. “And now I really do belong to you. Kacchan makes me so happy.”
The wolf nuzzled into his mark, crooning softly. “You’re it for me, silly bunny. Never been so happy in my life as I am when I’m with you. These past few days have been torture.”
The bunny chuffed. “Think about how I’ve felt?! Wanting nothing but you and your monster cock and you’re right outside my door and, and, and– I never thought you felt the same.”
“Tch, dumbass,” Katsuki laughed. His cock slipped out, making them both shiver. “You should eat something. I was starting dinner before you so rudely jumped my bones.”
“You liked it,” Izuku teased, turning his head to look up at him playfully.
“Yeah, I did,” the wolf huffed in amusement. He smacked the bunny’s fuzzy butt, enjoying the way it jiggled. “Get cleaned up and then I’ll make a mess out of you again after dinner.”
“Promise?” The bunny’s eyes lit up.
Katsuki leaned down and finally captured those soft, pink lips in a kiss. He’d been dreaming about how it would feel since he was 13 and realized he was in love, but all those daydreams couldn’t prepare him for the real thing. All tension bled out of his shoulders, tongue darting out to taste and feeling electricity jolt through him when Izuku shivered. It was over too soon, but Katsuki vowed to kiss him whenever he wanted. He would be the best mate, giving his little bunny anything he desired.