Kekkô Kamen: Surprise 2004

Synopsis:

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!

Directed by: Takafumi Nagamine
Written by: Yûki Okano
Release date: 2004-10-31
Runtime: 70 minutes
Related titles:
Cast:
Misaki Mori
Misaki Mori
Kekko Kamen/Kaori Wakatsuki 
Aki Hoshino
Aki Hoshino
Mayumi Uchita 
Maki Yamakawa
Maki Yamakawa
Ritsuko Chono 
Noriko Higashide
Noriko Higashide
Kiyomi Otonashi 
Risa Uemura
Risa Uemura
Kyoko Tsuruno 
Nana Kasai
Nana Kasai
Risa Utagawa