R-15: R15 Shounen Hyouryuuki
Japanese title: あーるじゅうご R15少年漂流記
Alternative titles: R-15 OVA
Type: OVA
Source: Unknown
Episodes: 1
Status: Finished Airing
Aired: Dec 13, 2011
Duration: 29 min
Rating: R+ - Mild Nudity
Studios: AIC
Genres: Adventure, Comedy, Romance, Ecchi
Themes: Harem, Parody

According to Kadokawa, an OVA of R-15 will be bundled with the tenth volume of the novel.