ROE-153 My teacher is my mother's lover.

Yuka's mother has been living with her son Yugo since her husband passed away. Working hard on her own, Yugo grew up healthy and aimed to attend a top university. From now on, hard work will be rewarded, and if Yugo becomes a member of society, a happy life awaits him... it should be. In the summer before Yugo's graduation next year, Mizuno and his parents asked their homeroom teacher, Oshima, for advice. After a successful three-party meeting, Yuka, left alone in the classroom, was informed that there was a problem with Yugo continuing his university studies.