Lan and Raika investigate the disappearance of ancient weapons being stolen from museums, and Raika suspects that his old friend Iriya may be operating Asteroid JapanMan who is responsible for the crimes. However, Iriya may be innocent when he tries to protect Raika from JapanMan. Lan and Raika delete JapanMan and bring Iriya back to his senses. Before returning home to Sharo, Raika receives the Crest of Duo.