Kekko Kamen (2004)

Mayumi Takahashi kommt an eine neue Schule, deren Lehrer verrufen sind, junge Mädchen sexuell zu belästigen. Mayumi will dem Ganzen ein Ende setzen und setzt sich fortan als Heldin »Kekko« für die hilflosen Schülerinnen ein. Dabei trägt sie nichts weiter als eine rote Maske mit Umhang …

Quelle: www.anisearch.de/movie/5356

Blurb:
A beautiful young girl named Mayumi joins a top-notch announcer school with draconian disciplinary standards. Because she had spent her childhood abroad, Mayumi soon falls behind her classmates. Though subjected to merciless flayings by her teachers, she continues in her quest to become an anchor woman. While being beaten by especially cruel teacher, strapped to a rocking horse clad only in her underwear a woman appears identifying herself as the "Kekko Kamen", completely naked except for a red mask covering her face, she stands up to defend the tormented Mayumi and battle the sadists of Manglifon school.

Source: www.anisearch.com/movie/5356