Kiri Kojo, 34 years old, is a full-time housewife. Raised in a strict household, she attended an elite girls' school with a distinguished history, where she was a member of the baton club, focusing entirely on club activities and studies, and thus had no romantic experience. During her university years, she rebelled against her parents for the first time. She dropped out of a women's university and transferred to a coeducational one, experiencing her first romance. Her current husband is a bar master who is 20 years her senior. They married against the wishes of her parents. And today, she faces her third challenge for the sake of her curiosity and desires...