Yuusaku manages to capture the the Mysterious Lifeform as he pursues the hacker group "the Knights of Hanoi." To defeat the Knights, he logs in to the VR space "LINK VRAINS" as "Playmaker" and challenges them to a Duel with the Mysterious Lifeform as a hostage.
I already know about Speed Duels?
Wusste ich bereits über
Speed-Duelle Bescheid?
¿Ya conocía los Duelos de velocidad?
Eu já sabia sobre 
Duelos Relâmpago?