Release Message:  A beautiful girl with a yellow flower hat at their front door, calling herself "Maroko Yomota," granddaughter of Inumaru, travels back in time with a time machine to visit her ancestors.

Description:  The story revolves around a small, normal family known as the Yomota family: A boy named Inumaru, his father Kinekuni and his mother Tamiko. One day, a beautiful girl with a yellow flower hat at their front door, calling herself "Maroko Yomota," granddaughter of Inumaru who travels back in time with a time machine to visit her ancestors. Despite Tamiko's strong refusal to acknowledge her as a Yomota, Kinekuni and Inumaru welcome her to stay with them, and the structure of a happy family has begun to collapse.