Teppei manages to hitch a ride on his brother's capturer and reaches the Machine Empire, Teppei is attacked by Metalface, one of the Empire's soldiers. Unable to win, Teppei is thrown, bleeding, in the Empire's junkyard. His blood reaches the trashed body of X, who was once considered one of the strongest B't of the Empire, and the disgruntled B't awakens. Faced with unanswered questions and imminent destruction, X reluctantly saves Teppei, and the pair flee the Area with soldiers of the Empire in hot pursuit.