じょしこう騎兵隊だっ (1988)

Name: じょしこう騎兵隊だっ
Released: 1988-09-01
Duration: 1 h 16 min
Cast: 富岡浩美, 吉田明美, 菅原恵美子, 鈴木久美子, 松崎桂子

It starts out as a girls school movie, but then it rapidly derails and expands into a completely different genre, which is a delightful development.