There are thirteen episodes in the 2012 anime adaptation of Kono Naka ni Hitori, Imouto ga Iru!, with episode 13 is a special unaired OVA which was released ...
Kono Naka ni Hitori, Imouto ga Iru! Wiki-Contributors to Kono Naka ni Hitori, Imouto ga Iru! Wiki
Kono Naka ni Hitori, Imouto ga Iru! Wiki. Kono Naka ni Hitori, Imouto ga Iru! Wiki · Chihiro Hashima. Imouto sae ireba ii Wiki · Koto Katakura. Gi(a)rlish ...