Not What They're Used For

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This was supposed to be a nice trip to the mall to get a new outfit for Shinsou and Denki's wedding.

That's all.

Not this.

Not this in the slightest.

But he was not about to start complaining. If he did then he wouldn't be allowed to cum and he'd been teasing his Daddy all day long so he didn't want to push his luck any further. He didn't think for a single second today, or over the past six years they'd been together, that Izuku would back him into a dressing room to fuck him silly. Should have known better, though. When had Izu ever been predictable?

He was really second guessing all those little touches and whispers throughout the day.

"Remember where we are, baby boy. You've got to keep those sweet moans nice and silent for me. You're getting what you wanted, now behave." A bite to the nape on his neck and he whimpers into Izuku's large, scarred hand that was over his mouth. He was breathing heavy and his thighs were quaking with the want, the need, to cum already. "I've given you three solid thrusts and you're already a mess. You're such a slut, kitten. Should I even let you cum?"

Shouto's eyes flew open at the thought of not being allowed to reach his peak. "Please." It's slurred and muffled but it must have been loud enough because Izuku pinches his ass in warning.

"You've been such a needy whore today, and you refuse to listen to me so I don't think I will. Maybe walking around with your stiff, pretty little cock on display will keep you in check?" His Daddy's tone is conversational but the way he's relentlessly pounding and grinding into his prostate had him drooling into Izuku's hand and his eyes rolling into the back of his head. "Oh, no. I know something even better." He can feel the smirk against his neck and a shiver runs up his spine as ideas run though his mind.

It wasn't his fault that he'd woken up wanting his Daddy inside of him. Only to be given a quickie in the shower and plugged up for the rest of the day, like that was going to keep him satisfied. Nor was it his fault that he was being flirted with left and right today, or that Izuku was a jealous type of man.

It was however his fault that Izuku wasn't able to get up from the food court's table earlier after Shouto ghosted his hand all over the man's inner thigh. A barely there touch that he knew drove his Daddy insane. It was also his fault Izuku had to cover up a growl with a cough when they passed by Victoria's Secret and Shouto pointed out a deep red babydoll nightie that was displayed in the window, saying that he'd "love if his Daddy would fuck him deep and slow in it". Or when he bent at the waist to "look a little closer" at a pair of heels they passed claiming that his sister would love these for her birthday in a couple of months. That one had Izuku almost snap and put him in his place right there. He was just given a calm warning and firm squeeze to his hips before Izuku walked off fixing his pants

If it was anything that he pushed too far with it was allowing the store employee flirt with him and touch his arm after he asked the man a question about a pair of shoe's size. He knew Ku was within hearing distance and knew for a fact he was watching the other man's hand intently as they were placed on Shouto's forearm. That might have been a step too far but what was done was done.

Now he has to deal with his delicious consequences fucking up into him and grinding against his walls in the most delectable of ways. The hand on his hip was sure to leave a bruise behind with how tightly it was being gripped but that was just how he liked it. Loved to be able to look in his full length mirror at home and just see what Izuku does to him. All the bites and scratches and small little marks give him a sense of belonging.

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