Mark's birthday gift from King Calvin is a session he'll never forget. Bound and helpless, Mark's male chastity is tested as Calvin explores his every sensitive inch. The room echoes with the sound of ball-busting impact, as Calvin's bat meets Mark's bulge. Mark's cries of pain morph into moans of pleasure, his body betraying him as Calvin pushes him to his kinky limits, delivering a birthday beating he won't soon forget.