__Education__:

- 1987: Waseda University School of Economics & Political Science - Tokyo Metropolitan Musashi Senior High School __Pennames__: - [Agi Tadashi](https://anilist.co/staff/105010/Tadashi-Agi), shared with his older sister, Yuko Kibayashi (樹林ゆう子), non-fiction writer. - Seimaru Amagi (_天樹征丸_) - Yuma Ando (_安童夕馬_) - Yuya Aoki (_青樹佑夜_) - Joji Arimori (_有森丈時_) - Hiroaki Igano (_伊賀大晃_) - Ryo Ryumon (_龍門諒_) - S.K. Received the Kodansha Manga Award for Shounen in 1995 (The Kindaichi Case Files) and in 2003 (Kunimitsu no Matsuri).