Azusa visited a massage parlor due to severe shoulder stiffness, but the masseur there smoothly talked her into receiving an erotic massage using superior sexual techniques. Azusa, who had been dissatisfied with her husband's premature ejaculation, became captivated by these techniques and even allowed sex to happen. Later, wanting to experience those techniques again, Azusa called the masseur to her home for more erotic acts, but her husband returned home unexpectedly. Shocked, the husband found himself more aroused than angry and ended up secretly watching the two.
