[御堂つかさ] 牛神博士 Sample picture: Information: [Midoh Tsukasa] Ushigami Hakase | Professor of the Cow God / [御堂つかさ] 牛神博士 [Midoh Tsukasa] Ushigami Hakase | Professor of the Cow God [御堂つかさ] 牛神博士 Type: Manga Hentai Language: Japanese Information...