The series saw a partial release that was essentially a disaster for a whole range of reasons.
The series was licensed previously in North America by Illumitoon Entertainment which was made up of some former Funimation folks.
During the convention, Kotaro is captured and taken to The Area, the center of the Machine Empire.
Faced with unanswered questions and imminent destruction, X saves Teppei and the pair flee The Area with soldiers of the Machine Empire in hot pursuit.