"May I bring my boyfriend to my house next time?" Yuko had various thoughts when her only daughter, Shiho, confessed that she had a boyfriend. On the day of the meeting, Yuko's first impression of Shiho's boyfriend, Shunpei, who is a year older than him, makes her feel sincere. However, when she visits Shunpei for the second time, Shunpei, who had promised not to touch Shiho until she reaches adulthood, is trying to do something wrong. Yuko, who sees him like that, proposes a deal to Shunpei...
