Dasepo Naughty Girls(2006)

Overview:

Based on the popular Internet novel, the film takes place in 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. But amidst this environment, there are some that just can't adapt.