Sister Street Fighter: Fifth Level Fist

Kiku Nakagawa (Etsuko Shihomi), the daughter of an old kimono shop owner in Kyoto, sneaks into a movie studio that a drug-dealing syndicate uses as its base. She is there for her friend Michi (Mitchi Love), who wants to avenge her brother. Shigehiro Ozawa sends her in with nothing but her karate, and the film leaves her standing in the studio, the syndicate all around her.