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.
Not just SOL Technologies.  The 
Knights of Hanoi are after it too.
Nicht nur SOL Technologies,
auch die Ritter Hanois sind hinter ihr her.
La persiguen SOL Technologies
y los Caballeros de Hanoi.
Não só a SOL Technologies, os cavaleiros
 de Hanoi estão atrás dela também.