Maína Yuri, a college student living with her salaryman boyfriend, twists her ankle while busy with her studies. At her boyfriend's suggestion, she calls for a massage therapist. During the massage, she's intensely stimulated, but the timer goes off just as she's about to orgasm. Cut off mid-orgasm, Maína becomes hooked on the massage. She continues to be teased to the brink of orgasm multiple times, and finally nods in agreement to an extension.