R-15: R15 Shounen Hyouryuuki
Japanese title: あーるじゅうご R15少年漂流記
Type: OVA
Episodes: 1
Source: Unknown
Genres: Adventure, Comedy, Romance, Ecchi
Studios: AIC
Duration: 29 min
Rating: R+ - Mild Nudity

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