Mayumi Sato, the masturbation maestro, returns to Sexlog TV, armed with an array of tantalizing toys. She begins with a sleek, purple vibrator, its buzz humming as she presses it against her clit. Her fingers slide in and out of her pussy, coated in her arousal. She switches to a realistic dildo, her hips bucking as she impales herself, her body shuddering with each thrust.