Kakushi Dere
English title: Lust-Struck Trilogy
Japanese title: かくしデレ
Type: OVA
Episodes: 3
Source: Manga
Genres: Hentai
Studios: Peak Hunt
Producers: Pashmina
Duration: 23 min per ep
Rating: Rx - Hentai

Nonoka goes out of her way to make a written confession to the older brother of one of her classmates, but he doesn't even read the letters. This prompts her to stop by in person, and express her "hate" for him through various antics...