At his grandfather’s funeral, 27-year-old Daikichi discovers a family member he never knew he had: six-year-old Rin, his late grandfather’s illegitimate daughter. Abandoned by her mother and left alone by her father’s death, little Rin has nowhere to go. When Daikichi takes pity on her and decides to take her under his wing, the sudden change for both of them brings Daikichi to understand what it takes to be a single parent. This award-winning heartwarmer features acclaimed child actor Mana Ashida.