Gear Mask supported Temujin in his schemes to abduct the ancient Atlantis airship, which had previously destroyed the fabled city in the past before resting in Japan. As part of the main scheme to turn Japan into a second Atlantis, Gear Mask installed within himself a miniature hydrogen bomb, which he planned to use to throw himself into Mount Fuji from the airship; the nuclear impact would spark a chain reaction annihilating Japan in the same manner as the ancient city. When Oiwa attempted to besiege him, he captured the Kirenger and took him onboard just as the same time as he and Temujin held several children hostage. However Gear Mask did not know that Oiwa had created the YTC Radio for this moment, using it to jam the frequencies within Gear Mask's body during a fight that threw them