Artist, mangaka. The author of Kuroneko no Ekichou-san. He changed his nickname from Yamaguchi Takashi to Yamaguchi Yuu on June, 2011. Likes trains, airplanes and tanks.
Japanese name: 山口 悠 (Yamaguchi Yuu)
Old name: ヤマグチ タカシ (Yamaguchi Takashi)
Circle & site name: ClearBook
Adult page name: NuclearBook