Stretch to Fit

Mistress Marley Brinx is stretch training her slave. She has a giant black cock that she is in a mission to make him take. Marley is focused on stretching out his hole until he fits the entire cock. She thrusts her hips against his ass while he grits his teeth in uncomfortable pain. They slave is willingly taking the anal pain in an attempt to impress his new, hot young Mistress.