Real Name: Shin KibayashiPseudonym of Tadashi Agi, Yuma Ando, Joji Arimori, Hiroaki Igano, Ryo RyumonBlood Type: O亜樹 直 Agi Tadashi is a Japanese manga storywriter, novelist and screenwriter. His original name is Shin Kibayashi (樹林 伸 Kibayashi Shin). He was born in 1962 in Tokyo, and graduated from Tokyo Metropolitan Musashi Senior High School and Waseda University School of Economics & Political Science.
The penname Tadashi Agi is shared with his sister. Under the name Yuma Ando, he received the 2003 Kodansha Manga Award for shōnen for writing Kunimitsu no Matsuri.