Daikichi returns home for his grandfather’s funeral, and to his surprise he meets a little girl in the garden. Daikichi soon finds out that the girl (Rin) is the illegitimate daughter of his grandfather. None of her relatives want to adopt her because they are embarrassed. Feeling sorry for the girl, Daikichi decides to take care of her. However, Daikichi is a bachelor and has no experiance with kids. Rin and Daikichi begin their life togethe.