Chiharu Miyazawa complains that her sex life with her husband has become infrequent. Despite her demure appearance, she secretly feels unsatisfied and has been buying adult toys to masturbate in private, hiding it from her husband. Over time, however, even these toys have lost their appeal, and her desire for real sex has grown stronger. This is her first time having sex with someone she's not in a relationship with, and though nervous, she actively participates in bed. She clearly states that she never sees other men besides her husband, emphasizing her loyalty and devotion.