I Love You Too, Nerd (KatsuDeku Fanfiction)

Bathroom Antics

"K-Kacchan..!! I don't think this is a go-" I was cut off by a rough kiss from my lover, shivers were sent down my spine as I let out a muffled moan. "M-Mmhh..?"

He smirked. "You like that, don't you Deku?" He whispered as he nibbled my neck, sucking on one of my sweet spots. "Ah!! N-Nnn..." I tried to pronounce the word, but I knew it was a lie. I absolutely loved it. I loved it when he was rough with me. When he bit my neck or restrained me. I guess I am a bit of a masochist, after all.

Kacchan made a deep purring sound as he picked me up and placed me down on the counter, starting to unbutton my shirt. We briefly stopped our passionate kiss to take a breath, a trail of warm saliva breaking the lust-filled connection. Katsuki stared at me, his piercing red eyes burning holes into my body as he licks his oh-so-perfect lips.

Whimpering impatiently, I clawed at his shirt in desperation and shot him my best puppy dog eyes, squirming a bit uncomfortably on the cold surface. Suddenly, he leaned forward and pinned me against the counter, hot breath by my ear as he growls "I'm gonna make you scream my name so much you break your goddamn voice, you hear me, shithead?" I gulped at the lewd threat, my dirty mind thinking of all the sinful things he was gonna do to me.

We hurriedly finished undressing each other, leaving us both in only our boxers. I couldn't help but look at him. His perfectly toned body with a snow white complexion. He was a gift sent down from heaven. And don't forget his ash blonde hair, the texture of silk. His pink, plump lips match perfectly with his ferocious amber eyes and his also perfect jawline. He was so flawless it hurts, why is he with someone as ugly as me?

"Ka-Kacchan.. you know you don't have to do this you know... I know you said that my gender doesn't matter, but I-" he cut me off with a quick kiss. "You're right. Your gender doesn't matter. Who cares if you're a girl? And who cares if you feel like you're in the wrong body? I love you either way." He kissed me again. I couldn't help but smile at how cute he's being. "Thank you, Kacchan... now please fuck me before I lose my mind!" He let out one of his most beautiful laughs, then looked back at me with that lewd expression.

Palming my sensitive area through my now-wet boxers, he kissed me roughly and slid his tongue across my lip, demanding for entrance. I eagerly obeyed and opened my mouth, letting him explore every crevasse, moaning softly. Our tongues fought for dominance, and he won over my body eventually.

With expert hands, he slipped behind my boxers and tugged them down roughly. I moaned at the erotic experience, making Katsuki smirk. He trailed gentle yet firm kisses down my neck, to my collarbone, and slowly kissed down my chest, making me slip out an excited squeak.

With one finger at first, then two, he began to stretch me. I shivered and bit down on my lip, gripping his perfect locks. My mouth turned into the shape of an O as I arched my back, letting out a slight cry of pleasure. "N-Ngh, fuck Deku, keep looking like that and you're gonna make me cum before I can even get inside of you." I let out a jumble of noises, roughly forming an apology. He seemed to understand, anyway. "Ssh, no need to apologize, just enjoy it" he seductively purred next to my ear, biting the lobe as he continued to stretch me.

"Now suck it." He ordered. He pulls out his fingers, making me squirm and the sudden emptiness inside of me. I was panting heavily. "Deku... You know I hate it when I have to repeat myself." He growled in warning. I mustered up my strength and got down off the counter and onto my knees, pulling down his boxers seductively whilst staring at him. I decided to tease. "Like this~?" I ask innocently as I gripped his member, batting my long eyelashes at him. I started to lick the tip. "D-Deku, don't you fuckin' dare teas-gah~!!" I slid my mouth downwards, taking as much of it in as possible. He gripped my emerald green hair, tugging it, but I didn't mind at all. If anything, it turned me on even more.

I start to bob my head up and down, pumping whatever I couldn't fit in my mouth with my small hands. He let out unintelligible sounds of pleasure as I continued to suck him off. Was I really that good?

"G-God damn, you sure you haven't done this before?" I smirk and hum in satisfaction, sending chilling vibrations over his member.

All of a sudden, he pins me to the bathroom floor, growling like an animal. "I think it's time, don't you?" He smirked. It sent warm shivers down me as he gave me a gentle kiss, it quickly deepening as he lined himself up. I bit my lip and gazed up at him with my baby doll eyes.

He slowly pushed himself into me, letting out a shaky groan. I gasped and closed my eyes tightly, wincing at the pain. "Kac-cchan!! Ngh, it hurts.." he places a hand on my cheek, brushing gently over my soft skin. Somehow it managed to calm me down. As he began to move, tears of pain started to streak down my face.

After a few minutes, everything got a bit more bearable and I weakly called out to him. "Ka-Kacchan..! More... P-Please?" I gripped his shoulders and kissed him softly, shaking slightly from him inside of me. He looked at me with his ruby red eyes, smirking like the devil himself. "Why don't you beg for it?" I gulped and took a deep breath. "Kacchan, I want more, I need more! I need you to fuck me right here, right now, fuck me so hard I can't walk for a week!" I was breathing heavily, sweat dripping down my forehead. His eyes widened in shock before he gave me a look of pure lust. "Well, I'll be damned, Deku. Who knew you were such a slut? It's fuckin' hot, I'll give ya that!" I turned bright red, averting my gaze from him. "Well, in that case, I'll gladly grant your wish." He bit down on my jugular, leaving a deep bite mark. 

He rammed himself inside me harder, setting a shocking pace. I dug my nails into his shoulders as I squeezed my eyes shut, gulping heavily. "K-Kacchan, I'm gonna p-pass out..!" I breathed, my vision blurry. He leaned over and gave me a quick peck on the cheek, licking it afterwards. "Hold on a little longer, babe, I'm nearly there." He groaned, his thrusts becoming sloppy as he neared his end.

"Deku..! I'm gonn- naah cum!!" He says as he releases inside of me, making me scream out his name in sheer ecstasy. Our bodies shake in sync as our blissful moment comes to an end. My arms that were once around his neck fall limp against the floor, leaving pink scratch marks from our lovemaking. He stayed inside me for a bit, savouring the feeling and catching his breath. I just lay there, panting and sweating like a water fountain. As he finally released, I whimpered and shot a quick glance at my lover. He was staring at me with adoring eyes, a genuine smile plastered on his perfect face.

We both start laughing breathlessly, collapsing into each other's arms on the bathroom floor. Kacchan caressed my cheek lovingly, kissing the other. "You just lost your virginity in a public bathroom." I let out a smirk. "So did you, idiot."

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Author's Note

Ok, guys, this is my first ever fanfiction! I hope you enjoyed, and I'll try to make the chapter a bit longer next time, thank you!