Azusa visits a massage parlor with stiff shoulders, but the masseuse there skillfully seduces her and uses his outstanding sexual techniques to give her an erotic massage. Azusa, who is always frustrated with her husband's premature ejaculation, becomes addicted to his sexual techniques and even allows him to have sex with her. Later, wanting to experience his sexual skills again, Azusa invites the masseuse over to her house and they indulge in erotic acts, but her husband comes home. Her husband is surprised, but for some reason his excitement gets the better of him than his anger, and he secretly peeks at what they are doing.