Oreimo Episode 1: There`s No Way I Could Love My Sister
Episode 1 of 12 of Oreimo, aired October 3, 2010, 25 minutes. Available with English subtitles and dub where released.
Episode summary
After bumping into his little sister, Kirino, in the hall, Kyōsuke Kōsaka finds a magical girl anime DVD which contains a little-sister themed adult game inside. Kyōsuke soon learns the game belongs to Kirino and confronts her about it.