#starkercest

Harley and Peter who have always had a close relationship and when they're in their teens, filled with hormones, they kiss. They know they shouldn't but there's a connection between them that no one can ever understand.

Who have to keep it a secret from everyone and the secrecy turns them on even more and despite what people may think, there's something more than just sexual need between the two.

Who are happily making out on Harley's bed when Tony is out at a meeting only for their father to come home early and open the door to the bedroom without knocking to find his twins kissing, Peter straddling Harley - their lips swollen and hair messed up.

Tony who, rightfully, freaks at the scene. He is immediately kicking Peter out of Harley's room and sending him to his own. There isn't much of a conversation after, Tony doesn't know how to approach the situation but when he lays down that night to sleep, the image plays in his head - Peter's lips gliding against Harley's as the older twins hands gripped Peter's ass. He swallowed thickly and no matter how hard he tried, he couldn't get it out of his noggin.

Tony who watches the two very closely from that day on, partially because he had to make sure the boys wouldn't do it again but mostly because he wanted them to. He wanted to see their lips locked in a messy, wet kiss as their tongues glide against each others. He wonders how sweet they would sound beneath him, how much they'd beg. Harley would surely be a brat, he was a brat already he can just imagine how prissy he'd be in bed.

The three walk on eggshells around each other until the tension in the air grows too much, too thick and Harley and Peter end up wrapped in each other again. They kiss and grind and pant on the living room couch until Tony's walking in from his trip to a store. He pauses at the scene, his two boys making out in his house but this time he doesn't yell or freak. He tsks and walks closer, his voice light and taunting as he teased the two for not being able to keep their hands off of each other.

Tony punishing the two before he's slowly breaking them apart with his fingers, who makes Harley fuck Peter as he fucks the older twin. Peter and Harley happily enjoying their fathers attention, maybe they'd made out in places where they could get caught on purpose.

It's a spin on the classic escort Peter, except instead of doing it for money, he's doing it because he loves the thrill and because it's always older men who request him.

Tony finds out about his son's activities and rather than outright confronting him or grounding him, he decides to hire him for a night.

Sure, it’s fucked up that he enjoys seeing how territorial Tony can get over his own kid.

Because Peter’s a little shit, he decides to test the waters as to how Tony would react to him dating someone much older.

It’s his dad’s go-to place for business-related meetings, and of course Peter had purposely suggested to his date that they should have lunch there. Considering that he’s the Tony Stark’s son, Peter does have some pull of his own and requests for a table that puts him within Tony’s line of sight. He’s a little shit that loves being the centre of Tony’s attention, so he lets his date touch his hands. Accepts the casual hand on his thigh, and feigns interest in whatever it is that he’s saying.

He feigns surprise when they’re informed a few minutes later (a grand total of three minutes) that someone of importance has closed out the entire restaurant. It’s even more obvious when Tony stops by their table and tells the guy to fuck off.

“Dad.”

“You know, Pete, when I said you should broaden your horizons, I didn’t mean dating someone who looks as if they belong in a geriatric home.”

“He’s only 45!”

“Really? A bit too early to be having that tiny bald spot at 45, don’t you think?”

“Dad.” Peter snorts. “I know you’re always saying I deserve the best. But finding someone who can provide and take care of me the way you do is damn near impossible. And you know that. I’m starting to think that you secretly like it that you’re the only one capable of doing so.”

Tony grins at Peter in that infuriatingly cheeky way of his, leaning back comfortably against his chair, “I don’t think it’s ever been a secret, Pete. Do you really need anyone else when you’ve got your daddy?”