While pretending to be Ken's fiancee, Mamiya allows herself to be captured by Boss Fang under the condition that he releases Airi. However, Boss Fang does not keep his side of the bargain and forces Ken and Rei to fight each other for the safety of the women.

Ken confronts a group of hunters who were physically modified through pressure point experiments conducted on them by Toki.

Ken challenges Uighur, the Warden of Cassandra, at the prison's courtyard.

Rei arrives at Mamiya's village and rescues Rin. He confronts the leader of Ken-oh's Invasion Division, who tries to use Airi as a distraction. But Airi, spurred on by Rin's courage, gains the strength to fight for herself again. Rei goes on to defeat the Division leader, only to come face to face with none other than Ken-oh himself.