
Quick answer — Nobuyuki Fukumoto worked on Kaiji - Against All Rules (Original Creator), Kaiji - Ultimate Survivor (Original Creator), Akagi (Original Creator) and 1 more anime.
Nobuyuki Fukumoto worked on Kaiji - Against All Rules (Original Creator), Kaiji - Ultimate Survivor (Original Creator), Akagi (Original Creator), Mr. Tonegawa: Middle Management Blues (Original Creator).