Teppei, Hokuto, Ron, and Fou are on their way into the Area. Ron and his B't Raido leave to pursue their own path into the Area, while the others continue their journey together. They don't get far though, as they are interrupted by one of the Evil Knights. His name is Quatro and he has a vendetta against Fou. Quatro and Fou grew up together, but Quatro believes Fou killed his little sister Lily. Teppei and Hokuto leave at Fou's request, only to get attacked by Ryukon Troopers being controlled by the Juggler. They are no match for Teppei and the Neo B't X! Juggler informs them that Fou has…