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 can add one Level 4 or lower 
Cyberse in my deck to my hand.
darf ich eine Cyberse-Karte
Stufe 4 oder niedriger
puedo añadir a mi mano
un monstruo Ciberso
eu posso acrescentar uma carta do tipo Ciberverso 
de nível 4 ou menor do meu deck para a minha mão.