Introducing a work that allows you to enjoy the 9-head-tall athletic body of Matsumoto Nanae, who possesses delicate muscles without any excess, despite being slender! With various methods such as aphrodisiacs, teasing, and oil, her sensitivity heightened, she twists her body to an unprecedented extent, trembling and convulsing repeatedly as she reaches climax. Each time, her abdominal muscles, latissimus dorsi, pectoralis major, and various other athletic muscles tighten. A performance of physical beauty unfolds alongside intense sexual intercourse!