Fushigi no Kuni no Miyuki-chan
English name: Miyuki-chan in Wonderland
Genres: Comedy, Fantasy, Girls Love, Ecchi
Type: OVA, Episodes: 2
Aired: Jun 21, 1995
Studio: animate Film
Source: Manga
Rating: R+ - Mild Nudity
Synopsis:
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)