Yuka's mother has been living with her son Yugo since her husband's death. Working hard on his own, Yugo grew up healthy and became a student aiming for 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 so. In the summer before Yugo's graduation the following year, Mizuno and his parents consulted their homeroom teacher, Oshima. After a smooth three-way meeting, Yuka, left alone in the classroom, was informed that there was a problem with Yugo continuing to study at university.