Azusa is too sensitive and comes quickly. When Azusa comes, the couple's sex is over and they stop. The husband is not satisfied with their married life, and one day, he bumps into a man from his former part-time job and they go drinking together. However, Tamura is excited by the drunk Azusa's defenseless eroticism and rapes her. However, despite being raped, Azusa begins to feel an indescribable emotion. On another day, Tamura continues to have sex with Azusa. Azusa is getting bogged down in a quagmire. When Shigeru comes home from work, he witnesses Tamura and Azusa's relationship, but is too timid to say anything. Azusa gradually changes as she has sex with Tamura. Although she was unable to tell him about her relationship with Tamura, her husband was frustrated by Azusa's drastic changes in behavior, and he became addicted to her sexual acts.