Madonna
Japanese title: マドンナ
Type: OVA
Episodes: 2
Source: Unknown
Genres: Comedy, Sports
Studios: Toei Animation
Duration: 50 min per ep
Rating: R+ - Mild Nudity

Mako, a sexy young teacher, comes to Gyunabe high school to enlighten young minds. What she wasn't counting on was a class full of misfits lead by the delinquent Obayashi. If their never ending quest to see her underwear and embarrass her in front of the whole school doesn't force her to quit, then her principal's brilliant idea of making her the new rugby coach will.

(Source: ANN)