Billy ends up pulling on the magical bonds when Draco starts moving, half to feel the pressure digging in at his wrists and half because it's impossible to stay entirely still. Pleasure lights up his nerves, steals any coherent sentence from him for a moment.

When he pauses, Billy is almost grateful for the moment to catch his breath and try to clear his head. He nods hastily at the question though. "Definitely..."

Heat follows that tongue deliciously and Billy arches as much as he can. "You weren't joking about trying to make me scream your name before all this is over with, huh?"