In a stark, white room, a tattooed mistress sits, her legs spread wide, a thick, veiny cock in hand. Her sissy trainee, clad in pink panties and a chastity belt, kneels before her, eyes downcast. "Today, slut," she growls, "you learn to pleasure a real woman." She guides the trainee's head down, forcing their lips around her shaft. The trainee gags, tears streaming down their cheeks, but the mistress is merciless. She fucks their face, her hips bucking, her moans filling the room. The trainee struggles, but the mistress' grip is iron. "That's it, slut," she hisses, "Show me what you've learned."