Kekkô Kamen: Surprise 2004

Studying music at a remote island academy, poor Mayumi (Aki Hoshino) and her classmates fall victim once more to erotic tortures at the hands of their corrupting instructors. Just in time, Kekko Kamen (Misaki Mori) takes center stage with a red mask on her head, nunchakus in her hands, and a song in her heart!

Cast:

Misaki Mori
Kekko Kamen/Kaori Wakatsuki 

Aki Hoshino
Mayumi Uchita 

Maki Yamakawa
Ritsuko Chono 

Noriko Higashide
Kiyomi Otonashi 

Risa Uemura
Kyoko Tsuruno 

Nana Kasai
Risa Utagawa