Teacher in a Miniskirt: Alluring Legs (2000)

Ryoko and Wakaba are high school teachers. One day, they are summoned to the principal's office. The principal tells them that whoever can reform two misbehaving students, Michiru and Shuichi, will be the homeroom teacher for the new semester, and the other will be the assistant homeroom teacher. So Ryoko tries every trick in the book to frame Wakaba...