Dasepo Naughty Girls

The film takes place in "No-Use High School", a school renowned for its sexual aberrations. The student body is comprised of sexually ambiguous teenagers, and the student president and vice-present flaunt their taste for S&M. Independent study, and supplementary classes are done on homosexuality and transgenderism, and teachers and students alike leave school early because of sexually-transmitted diseases. But amidst this environment, there are some that just can't adapt.
~~ Adapted from the web novel "Multi-Cell Girl".