James T. Kirk

His body gave another light shiver, clenching around Jim's fingers, and then relaxed again. You have the greater imagination. Spock noted, partly afraid of his own answer. Not going to say anything about how those beads tempted his curiosity (what could they be used for?), nothing about testing the efficacy of that strange curved toy, nothing about his usual scoff about restraints, would lull Jim into a false sense of security before pinning him down and fucking him until that smirk faded from his face...