Bucky groans. That should not be as hot as it is, having the prince use an honorific he has not earned to sweeten the request, but here they are. Bucky has to breathe through his body's desire to pop a knot right then and there, safety be damned.

"How could I not?" He holds Sam in place and sets a brutal rhythm, kissing him the entire time. "Squeeze as much as you can, whenever you can."