This amateur sissy's been denied release for weeks, his chastity cage keeping him desperate. Today, his femdom mistress has a special treat. She's chosen a massive strapon, bigger than any he's taken before. She makes him watch her lube it up, then orders him onto his back. His legs tremble as she presses the huge head against his hole. He gasps, "It's too big, Mistress!" She smirks, "Not for my sissy." She pushes, and he screams as the strapon stretches him wide, filling him completely, before she begins a relentless, punishing rhythm.