Saotome Itsuya, 68, works at a funeral home. It has been five years since his daughter ran away from home after an argument over a pregnancy report. It wasn't until he lost her that he was reunited with her. He meets his grandson, Nitarou, who is now alone in the world. With eyes similar to his daughter's, he called him "grandfather" when he met him for the first time. Regretting that he was too much of a workaholic to take care of his family, he decides to take him in... A father who lost his daughter and a boy who lost his mother begin their fumbling life togetherーー.