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"Charisma Duelist: Go Onizuka" is the forth episode of the Yu-Gi-Oh! VRAINS anime. It will air in Japan on May 31st, 2017.
The true identity of the Knights of Hanoi who suddenly appears is Go Onizuka, a Charisma Duelist. As the new hero of Link VRAINS, Playmaker has stolen away some of GO's fans. In order to regain their support, GO challenges Playmaker to a Duel.