Kunihiko Mitamura

Nakamura Mondo was relegated to a post in Hachioji from the Minamimachi Bugyōsho and he has retired from professional assassin. But one day he was ordered to return to the Minamimachi Bugyōsho. Shikazō worked behind the scenes to get Mondo back to the Minamimachi Bugyōsho. Shikazō asks Nakamura Mondo to kill a man, once Mondo refuses but he is blinded by big money and eventually take the offer. Mondo restarts killing villains again with Kazarishokunin no Hide and Nawate Samon.

After the previous Godzilla attack, a miniature arms race ensues to collect his cells. Concerned over Godzilla's possible return, the Japanese government uses the cells to create a new bio-weapon, ANEB (Anti-Nuclear Energy Bacteria). They seeks the aid of geneticist Genshiro Shiragami, who's experiments result in a new mutation.