Kakyuusei (TV)
Japanese title: 下級生
Alternative titles: A Girl in a Lower Grade
Type: TV
Source: Visual novel
Episodes: 13
Status: Finished Airing
Aired: Jul 2, 1999 to Sep 24, 1999
Broadcast: Fridays at 00:35 (JST)
Duration: 26 min per ep
Rating: PG-13 - Teens 13 or older
Studios: PP Project
Producers: Pink Pineapple
Genres: Drama, Romance
Themes: Harem, School

When Tsuyoshi rushed to school as usual, he found a girl who tried to help a kitten which couldn't get down from a tree. It was Minamizato Ai who had loved Tsuyoshi secretly for a long time.

(Source: AniDB)