"Can I bring my boyfriend home this time?" The only daughter, Shihō, confessed to her mother Yuko that she had a boyfriend. Yuko was filled with various thoughts. Finally, on the day in question, Yuko felt relieved by the sincere first impression given by Shihō's boyfriend, Shunpei, who was several years older than her… However, during his second visit, Shunpei, who had supposedly promised not to lay a hand on Shihō until she became an adult, seemed to be attempting inappropriate behavior. Seeing this, Yuko proposed a deal to Shunpei...
