Gosenzo-sama Banbanzai! (御先祖様万々歳！) is a 1989 Japanese comedy drama science fiction OVA created, directed and written by Mamoru Oshii and produced by Studio Pierrot, made in commemoration of the studio's 10th anniversary.[1] A compilation film consisting of footage from the episodes entitled MAROKO (麿子), also directed by Oshii, was released in 1990.[2]
Plot
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.
The episodes are told in the form of a play.