Who Do You Think You Are, Having Two Faces!!

Simon, Kamina, and Yoko encounter a beastman by the name of Viral while they are hunting.  They get into a fight and learn that his Gunman has 2 faces, the normal Gunman head and another head on top.
He dispatches them at the field, but Viral says he will destroy them at the village tomorrow.  Kamina and Simon have to find a way to beat a person who is a far superior pilot...