In the dimly lit dungeon, King Calvin, the seasoned dom, introduces new sub King Mark to the art of gay BDSM. Mark's chastity device click-clacks into place, his eyes wide with anticipation. Calvin commands, 'Worship my feet, boy.' Mark, eager and submissive, begins, his tongue tracing Calvin's arch, his hands caressing the dom's soles. Calvin grows harder, his dominance evident. 'You like that, don't you?' he growls. Mark nods, his own cock straining against his chastity cage. Calvin smiles cruelly, 'Good. Now, let's see how well you take a ballbusting.'