Seeking relief for her tired body, a woman visits a massage parlor. She feels at ease with the polite and meticulous therapist, entrusting him completely as she bares her beautiful body. However, he is no ordinary masseur. With a hidden agenda, he has devised a plan to take full control of her body. Using specially formulated aphrodisiac-laced oil, he gradually takes command of her mind. Soon, she surrenders herself to his huge cock, climaxing repeatedly through intense, overwhelming sex. Her body slowly adapts to his desires, transforming into one that actively craves both the aphrodisiac and his massive dick. Ultimately, under his complete domination, she evolves into a sex doll—continuously orgasming with an ahegao expression on her face.