Tetsuo Yabusame (VA: Takuto Yoshinaga)
A young boy who defeats intergalactic kaiju together with his robot partner, Yukio. He is part of the Anti-Kaiju Defense Force E-RDE and is hailed as Earth’s savior. Extremely shy, he has no friends other than Yukio, but his combat skills are beyond reproach.
Yukio (VA: Daisuke Hirakawa)
Tetsuo’s robot partner, designed to fight against intergalactic kaiju. He has a warm personality and takes care of Tetsuo, who has trouble communicating with others. He is officially known as the Earth Defense Robot: Snowman.
Ao Nogi (VA: Ami Koshimizu)
A highly inquisitive kaiju tamer living in Mishima Mall. She protects the mall by controlling a heat-collecting kaiju known as the Land of Men. She is also the chief of the mall’s accounting department but is frequently scolded for sneaking away from work.
Hagane Takimura (VA: Konomi Tamura)
The eldest daughter of the Takimura family, living in Mishima Mall. An enthusiastic engineer who inherited her passion for research from her mother, she possesses highly advanced technical skills and is even capable of creating close-combat anti-kaiju weapons. With her natural cheerfulness, she quickly hits it off with the extremely shy Tetsuo.
Nayuta Izumi (VA: Kengo Kawanishi)
A member of the Light of E-RDE (VIERDE). A highly aggressive brawler, he controls a kaiju called Ares.
Tamiya Sakurai (VA: Tomohiro Ono)
A member of the Light of E-RDE (VIERDE). Calm and collected, he precisely snipes his targets using a kaiju called Eros.
Yuma Uzuki (VA: Manami Narahira)
A member of the Light of E-RDE (VIERDE). Her adoration for Sagami exceeds that of anyone else. She controls a kaiju called Artemis.
Otoichi Kinoe (VA: Anna Nagase)
A member of the Light of E-RDE (VIERDE). He acts as a strategist by Sagami’s side. He controls a kaiju called Hermes.
Makoto Saionji (VA: Chitose Morinaga)
A member of the Light of E-RDE (VIERDE) who dresses in a kaiju costume. He controls a kaiju called Hephaestus.
Riko Akagi (VA: Maki Kawase)
A member of the Light of E-RDE (VIERDE). Deeply fascinated by Sagami, she is more than willing to make ruthless decisions. She controls a kaiju called Aphrodite.
Isseki Sagami (VA: Tomokazu Sugita)
The man who leads the group of kaiju tamers known as the Light of E-RDE (VIERDE). He harbors an intense hatred toward the Savior, Tetsuo. He controls a kaiju called Hercules.