Natsuyasumi.
Japanese title: ナツヤスミ.
Alternative titles: Summer Vacation
Type: ONA
Source: Original
Episodes: 3
Status: Finished Airing
Aired: Jan 27, 2013 to Jul 11, 2013
Duration: 14 min per ep
Rating: Rx - Hentai
Studios: Studio 9 Maiami
Producers: Studio Zealot, White Bear, Mediabank
Genres: Boys Love, Hentai

Yuu and Natsuki met in the hot sun, during that unforgettable summer vacation... Was it a dream, or...? It was a bittersweet love story?

(Source: AniDB)