[He'll deny it later, but Sam definitely squeaks when Bucky bites down, breathing out a curse. He squirms for a moment, trying to regroup, then drags his fingers up Bucky's torso to where he knows he's sensitive.]

I had no idea we were competing for something. What are we even playing for and how do you plan on winning, huh? [Pulling himself away from the pillows, he leans forward to brush his lips teasingly against Bucky's, before nipping at his bottom lip in retaliation.

He sits up fully now, crowding up against him playfully, enjoying the feeling of their skin sliding together.] Don't tell me you're going to end up cheating somehow?