Sarina Momonaga and her boyfriend, TOSHIO, were supposed to get married next week, but she injured her leg and couldn't wait any longer. Desperate for relief before the big day, they called in a massage therapist, SASAKI. As SASAKI works on her, she can't help but feel pleasure from the sensual pressure on certain sensitive spots. Despite knowing it's wrong, Sarina finds herself secretly excited, even looking forward to SASAKI's touch.