School Days ONA
Japanese title: スクールデイズ
Type: ONA
Episodes: 1
Source: Visual novel
Genres: Drama, Romance
Studios: Animation Planet
Producers: Avex Entertainment, Lantis
Duration: 21 min
Rating: PG-13 - Teens 13 or older

The story is about a love triangle between the male protagonist Makoto, and the two heroines Kotonoha and Sekai. Makoto develops a love interest in Kotonoha, a girl in the same year but different class. Although they both take the same train to school, she is unaware of his existence. His classmate, Sekai, manages to put the two together despite holding strong feelings towards Makoto.

(Source: ANN)