Barry kisses him fervently, and he feels each time Derek's mouth goes slack with pleasure. "It's like this," he says, shifting until he knows he's hitting Derek's prostate with every thrust. "Isn't it?"

Barry drops down onto an elbow, using the angle to drag himself against that spot. It feels good, but better still is the knowledge of how it makes Derek feel, and Barry groans. "Yeah," he agrees. "I was made for you." He feels too good, body too primed to resist the vibration when it comes, from ears to toes to cock as Barry trembles with pleasure. "Derek."