Ikkitousen: Shuugaku Toushi Keppuuroku
Genres: Action, Ecchi
Type: OVA, Episodes: 1
Aired: Nov 12, 2011
Studio: Arms
Source: Manga
Rating: R+ - Mild Nudity
Synopsis:
Nanyo Academy along with the other Kanto schools hold class trips to Kyoto. Old rivalries break out, between the schools, but as if that wasn't bad enough, Kyoto's fighters also show up in full force to challenge the Kanto schools' fighters. 

(Source: ANN)