Following the victory at Castle Promise, Casshan and Friender take their leave while Luna embarks on an escort to meet with Admiral Rudolph, the leader of the human forces,to give him the specs for her father's MF pistol which might be able to turn the war in the human favor. However, their helicopter is hit and crashes and their discovered by a robot scout team. The pilot forces Luna to leave while he blows himself up with the robots. Luna is able to escape and meets back up with Casshan and Friender. Casshan reveals he struggling with his lack of humanity while also suffering physical weakness from his battles. The trio is attacked by a robot army and Casshan tells Luna to flee while he defeats the robots but Luna is unable to leave Casshan ans jumps from the helicopter as he catches her
