One day, Hana Haruna, a faithful housewife in her third year of marriage, went to the apartment of a cram school student living in the apartment next door to fill out a questionnaire for the residents' association. When she heard that the young man next door was retaking an exam and studying day and night to pass this year, the kind-hearted Hana smiled and encouraged him to do his best. However, he then came to her and said, "The truth is, I'm still a virgin..." and "All I can think about is naked women, and I can't concentrate on my studies..."