Charm Point 1: Sister's Rondo
Japanese title: Charm Point 1 ～シスターズ輪舞～
Alternative titles: Tail of Two Sisters
Type: OVA
Source: Manga
Episodes: 1
Status: Finished Airing
Aired: Nov 30, 1999
Duration: 29 min
Rating: Rx - Hentai
Producers: Shinyusha
Licensors: Media Blasters
Genres: Hentai

Two sisters attend the same college, one as a teacher and one as a student. Both of them, however, date college boys the same age. The younger sister has a big problem, because her boyfriend never seems ready to satisfy her. Her older sister`s trouble is just the opposite!

(Source: AniDB)