Taro Kohiga, a 40-year-old novelist whose wife passed away due to illness, is a single father who dotes on his daughter. He is worried that his daughter Sakura, who is too innocent, will go to a coeducational university, so he decides to go to the same university and the same department with his daughter. In order to intervene and supervise his daughter's university life, he also participates in research groups, clubs, dinners, social gatherings, parties, and cultural festivals. In fact, he enjoys his university life more than anyone else.