Triangle Heart: Sazanami Joshi-ryou
English title: Triangle Heart: Sazanami Joshi Ryo
Japanese title: とらいあんぐるハート ～さざなみ女子寮～
Type: OVA
Source: Visual novel
Episodes: 5
Status: Finished Airing
Aired: Aug 28, 2000 to Apr 26, 2002
Duration: 29 min per ep
Rating: Rx - Hentai
Studios: Mook Animation
Producers: Discovery
Genres: Hentai

Based on a game by ivory (JANIS). Makihara Kosuke works as a substitute janitor of woman dormitory, “Sazanami So”, while the regular janitor, who is his aunt, travels abroad. The contract term is almost over, but he has one thing worried about. Among the member of the dormitory, only Jinnai Mio doesn’t open out to him and doesn’t try to eat his dishes. Then, he makes the former janitor’s favorite dish to let her eat.