Kouji Ibuki is an employee of FIVAs United Sanctuary Branch and the coach of Team Demise. He uses a Link Joker deck. He is a classmate of Toshiki Kai Taishi Miwa back when they were in elementary school. When he was younger he enjoyed Vanguard. However the Deletors corrupted those memories and he set out to destroy Vanguard and consequentially both Earth and Cray. At the end of Cardfight Vanguard Movie: Neon Messiah Harmonics Messiah returns Ibuki to normal.