Mikba is the leader of the crime organization that attempted to kill Ryu and his friends. Rei learns of this, and attempts to track Mikba down. Mikba flees his home in Syn City, and heads for the Dauna Checkpoint. The group discovers this after heading to Syn City looking for Rei. They attempt to catch up with him to try and stop him so they can learn the truth for themselves. Ryu and the others arrive at the checkpoint as Mikba is attempting to escape. Mikba transforms into a demon, and the group defeats him in combat.