Fushigi no Kuni no Miyuki-chan
English title: Miyuki-chan in Wonderland
Japanese title: 不思議の国の美幸ちゃん
Alternative titles: Miyuki-chan In Mirrorland
Type: OVA
Source: Manga
Episodes: 2
Status: Finished Airing
Aired: Jun 21, 1995
Duration: 14 min per ep
Rating: R+ - Mild Nudity
Studios: animate Film
Licensors: ADV Films
Genres: Comedy, Fantasy, Girls Love, Ecchi

Miyuki, a cute girl, is in over her head. When late for school, she is suddenly transported to another world (Alice In Wonderland style), except that all the inhabitants of the other world are female...and they all seem to be in love with Miyuki. And the world behind her mirror is even weirder. 

(Source: ANN)