Kyousuke Ishihara (石原 京介)
Animeography
Boku no Imouto wa "Osaka Okan"
Boku no Imouto wa "Osaka Okan": Haishin Gentei Osaka Okan.
Boku no Imouto wa "Osaka Okan": Uchi no Oniichan wa Tokyo Rule
Mangaography
Voice Actors
Ryouko Shiraishi
Japanese
Boku no Imouto wa "Osaka Okan"
Boku no Imouto wa "Osaka Okan": Haishin Gentei Osaka Okan.
Boku no Imouto wa "Osaka Okan": Uchi no Oniichan wa Tokyo Rule
Ryouko Shiraishi
Japanese