R-15 (あーるじゅうご, Āru Jūgo) is a Japanese light novel series written by Hiroyuki Fushimi and illustrated by Takuya Fujima. The first volume was published by Kadokawa Shoten in July 2009 and eleven volumes have been released as of August 2012. A manga adaptation illustrated by Hayato Ōhashi started serialization in the June 2010 issue of Kadokawa Shoten's Monthly Shōnen Ace magazine. An anime television series adaptation animated by AIC aired in Japan from July to September 2011.