Yume Ono, 24 years old. In high school, she was in the rhythmic gymnastics club, devoted to it above all else. After graduating, she worked as a Pilates instructor. She is in charge of personal training for male clients. A customer finds out she knows someone from the AV industry, introduces her, and she applies to appear. A record of extreme-limit humiliation torment and the perverse awakening of a Pilates instructor—her supple body honed through rhythmic gymnastics and Pilates is teased with extra-thick toys and multi-layered humiliation play… deep in the throat…