Groper Train: Butt Boasting

Groper Train: Butt Boasting (1989) is a drama directed by Masahiro Kasai rated 8.0/10.

High school student Miruku lives with her bedridden grandfather on the countryside, and dreams of becoming a dancer. After some money goes missing at dance practice and Miruku's role in the group is compromised, her grandfather tells her about her mother, herself a famous dancer, and Miruku decides to go and find her in Tokyo.