Boku no Imouto wa "Osaka Okan": Uchi no Oniichan wa Tokyo Rule
Japanese title: 僕の妹は「大阪おかん」 うちのおにいちゃんは東京ルール
Type: Special
Episodes: 1
Source: Original
Genres: Comedy
Studios: Charaction
Duration: 4 min
Rating: PG-13 - Teens 13 or older

Special episode bundled with the BD.