Quirk Boost – Dom!Tamaki x Sub!Fem!Reader

“I’m just not confident enough,” Tamaki said softly to you as you lay snuggled up in bed together.

“I think you’re amazing as you are,” you whispered, stroking your fingers through his darker indigo hair, dragging them out from the spikes at the back. 

He turned his head and tucked it into the crook of your neck, his timid lips hesitating before pressing to your soft warm skin. 

“I… could use my quirk on you… if you like?” you offered gently, “I’m actually keen to see your dominant side come to the front… in bed. I’ve seen flashes of bravery when you’re doing hero work. But I’m yet to see dominant Jiki in bed.”

“B-But what if I hurt you?” he asked in a scared voice, venturing to pull his head back so his small thin irises could look up into yours.

“You? Hurt me?” you asked with a surprised chuckle then pressed your lips to the tip of his nose, “I highly doubt it.”

“Umm… well… if… if you want to use your quirk on me, then you can,” he invited cautiously.

“Really?!” you gasped with excitement, “ok. And don’t worry. Just do whatever you want to do, ok?”

He nodded, his bottom lip quivering a little with nervousness.

You sat up and rolled him onto his back then straddled his hips and lifted his shirt.

“Ok. I’m just going to adjust your testosterone levels…”

Your quirk: hormone manipulation, allowed you to adjust the hormones in anyone’s body that you touched.

Once you finished high school you went on the work at the local hospital while furthering your studies and very quickly becoming one of the area’s most prized doctors. It was there that you met your boyfriend, and pro-hero, Tamaki. He had come in for some hero work related injuries and you helped treat him… later on becoming romantically involved. 

Gently, you pressed your hands to his chest and took a slow steady breath in, activating your quirk and focusing on the testosterone levels in his body.

You felt your boyfriend’s body shudder under yours and smiled when you saw him take a deep breath in and look up into your eyes- his gaze appearing more steady than his usual look.

“How do you feel?” you asked him.

He nodded. “Good.”

Even his voice sounded a little lower than usual.

You leaned down and gently pressed your lips to his, giving him a few light kisses before pulling back, but it appeared that he like that because he reached for your face and pulled you back down to his to continue the kiss.

Naturally, you let him lead and he initiated a deeper kiss, his tongue running along your bottom lip to encourage you to open your mouth so that your tongues could slide against each other’s.

“He already seems more confident with kissing,” you thought, relaxing your body out and sliding down a little so that your thighs were either side of his, a lovely bulge in his pants giving something for you to rub on.

You sat back and let your hips rock back and forth as you pleasured yourself on his thick bulge and he let out a deep groan of delight, moving his hand from your face and gripping his fingertips into your thigh.

“I like those noises,” you said encouragingly.

“I like how you’re moving on me,” he replied, the look in his eye making your heart jump.

He did a half sit up and reached behind your back, holding you as he flipped you over, your knees either side of his hips as you back hit the bed.

“My turn now,” he said, sinking his hips into yours as he head dropped to your neck and teeth grazed your skin.

You let out a soft moan, letting the weight of his head against yours, roll it away so that he could bite and nip down to your collarbone.

“Jiki,” you mewled, thrusting your hips up against his needily, ” I need more…”

He sat back and quickly pulled his shirt off then reached for the bottom of yours and helped slip it off over your head- then moved down to his pants, unbuttoning them and sliding them down.

You bit into your bottom lip when you saw his bulge, already imagining him ramming that’s into your tight pussy.

“Mmmm,” you hummed as he pulled his boxers down and revealed his length to you.

Shifting your legs to one side, you slid your pants and panties off and let him grab you by the hips to roll you onto your tummy.

“Ooooh, we’re going to go from behind today?” you asked. 

This was a relatively new position for you and Tamaki. He liked missionary style usually so that he could see your face, although half the time he had his head hidden up against your neck because he was embarrassed about the faces he might pull in the heat of the moment.

“I’ve always wanted to take you from behind,” he whispered lowly against your ear, poking his tongue out a little to lick and nibble at your earlobe as he got over behind you and sank his hips down onto your ass- his cock sitting perfectly between your ass cheeks and making your core burn with need.

Feeling his weight on you as he kissed and nibbled all over your ear, neck, and shoulder, made your body tingle and flush with goosebumps.

“Do you like this?” he asked, rocking his hips so that his cock could rub a little between your ass cheeks.

“Yeah,” you moaned, dropping your head down to the bed as he sat back and hooked his fingers under your hips to pull them up a bit.

“Ass up,” he commanded, giving your ass a little tap to make you poke it out.

As you adjusted and tilted your hips forward, Tamaki deployed his tentacles and wrapped them around your lower abdomen and thighs, tightening the hold on you so that he could move you at will.

“Good,” he commented, tilting his hips forward so that his pre-cum drenched tip could slid between your folds and tease you a little, “is this what you want?” He rocked back and forth to create some friction as his cock slipped along your folds.

“Yes,” you moaned, tilting your head back to look at him over your shoulder, “I want you inside me.”

“Deep inside you?” he asked, his eyes hooding with a sexually menacing look.

“Yes,” you begged, trying to push back on him so that his cock would slide into your hole.

“I don’t intend to go easy or slow,” he replied confidently, “if you want me inside you, prepare for a good fucking.”

“SHIT?! he swears?! Since when?”

He licked his bottom lip as he waited for your invite to go ahead, and you gave him a half lidded, seductive look in response.

“Give it to me, Jiki,” you dared.

His tentacles tightened around your lower half and you gasped as he pulled your legs apart more, the tip of his cock pressing up into your pussy then sheathing itself immediately.

You let out a loud moan as his entire length disappeared inside your slick hole, then wailed when he started fucking you like it was his last day on earth.

He hit every beat, grunting carnally with each deep stroke and you let out pleasured cry after pleasured cry, your core pulsating with his deep, controlled thrusts.

“Jiki, Jiki,” you moaned out, grabbing fistfuls of the bed covers and panting rapidly.

“Yes, Y/N, scream my name as I rail you,” he growled out, his voice almost unrecognizable as his form doubled over yours to force that pleasured scream from your being.

Filled with a rising need, you arched your back a little, throwing your head back and crying out, begging him to make you cum.

“Harder, Jiki,” you begged.

“Cum for me,” he called, jolting you body with each stroke as he picked the pace up even more.

“Jiki, I’m gonna cum, I’m gonna cum,” you panted, moaning and wailing as the orgasm approached, “yes~, YES~,” you moaned, screaming with delight as the tightly wound coil in your core unraveled quickly and sent you over the edge.

Tamaki was sill on full bore and kept slamming into you as you came, sweat pouring from him pores as he growled and scrunched his face a little, preparing to release into your, now, sopping wet pussy.

“Cum inside me,” you begged, your own body covered in sweat as you held on and waited for him to cum.

Finally, with a loud cry, he released into you, his cock throbbing and spilling its white hot seed into your core before he collapsed onto your back.

With a weak hand movement, you reached back and touched his shoulder lightly, activating your quirk and bringing his Testosterone levels back down to their usual range.

He immediately retracted his tentacles from your body and rolled off you, scrunching himself into a little ball and giving you a sad look.

“W-Was I ok?” He asked, “did it feel ok?”

“You did amazingly,” you replied with an endearing smile, leaning across to kiss his nose, “you were so confident and you took what you wanted. I was very impressed.”

He gave you a small, relieved smile and scooted closer to you, snuggling his naked body against yours.

“I… liked doing that… maybe we can do it again sometime?”

“Of course!” you replied enthusiastically, wrapping your arms around him and pulling his body on top of yours.

-END-

Bonus-

After snuggling for a little bit you got up to go to the toilet and Tamaki let out a gasp of horror when he saw your body.

“What? What is it?” you asked, following his gaze down to your thighs and abdomen.

You were covered in hickeys from where his tentacles had sucked onto you to hold you while he was fucking you from behind, and you smirked.

“I like this,” you said cheekily, “mementoes from when you pinned me down and fucked me like an animal.”

He blushed furiously and hid his face, a small smile pulling at his lips.

~ END ~

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