Two strangers, visiting completely different places as part of completely different investigations, both hear the same song. This song brings the two together, and leads them into a battle beyond imagination which grips the whole world.

With a mystery left behind by a lone researcher, monsters appearing across the globe, and a world dyed red, can these two face down the hopeless future (Godzilla) that threatens mankind...?

Mei Kamino

Voice Actor: Yume Miyamoto

One of the main protagonists of the story. She is an eccentric graduate student who is researching “non-existent creatures.” She has a cheery and bright personality. Although she is a genius, she has an air of absentmindedness, often forgetting things. After receiving a request to fill in for an absent professor in the investigation of Misakioku, she gets dragged into the fight against Godzilla.

Yun Arikawa

Voice Actor: Shouya Ishige

One of the main protagonists of the story. He is an engineer who works at the local multipurpose workshop Otaki Factory. A so-called prodigy, he is versed in many skills including building and programming robots, but is an oddball who has trouble interacting with people. After investigating a vacant European-style house, he gets dragged into the fight against Godzilla.

Haberu Katou

Voice Actor: Taro Kiuchi

Like Yun, he works at Otaki Factory. His hobby is working out, and in high school, he picked up the nickname “Barbell.” He is a good friend of Yun’s, and along with him and their boss Otaki, he joins the fight against Godzilla.

Goro Otaki

Voice Actor: Wataru Takagi

The head of Otaki Factory, nicknamed Pops. He is a world-renowned scientist with numerous patents, but is infatuated with UFOs and unidentified life-forms, and in recent times has devoted himself to “protecting the Earth.” When monsters appear, he rushes to eliminate them along with Yun and Haberu.

Satomi Kanahara

Voice Actor: Ayako Takeuchi

A female clerical worker at Otaki Factory. Her makeup, piercings and tattoos give her a punk appearance that leaves a lasting impression. She supports Otaki, Yun and Haberu. Her private life is a mystery.

Pero2

Voice Actor: Misaki Kuno

A cute, doglike artificial intelligence born from the communications AI Armillaria developed by Yun, who settles down on Mei’s computer. As Mei’s good companion, Pero 2 supports her efforts in unraveling the mystery of Godzilla.

Jung

Voice Actor: Rie Kugimiya

An artificial intelligence installed on Yun’s smartphone who was born from the communications AI Armillaria developed by Yun. Jung is Yun’s calm companion who excels at organizing information.

Shunya Sato

Voice Actor: Youhei Azakami

The chief of staff at the Kyushino District administration bureau Misakioku. He is subordinate to Yamamoto. Although he is a bureaucrat employed by the Ministry of Foreign Affairs, he was transferred to the administration bureau at the order of his superiors. After receiving a mysterious alert at Misakioku and contacting Otaki Factory, he steps into the mystery of Godzilla.

Tsunetomo Yamamoto

Voice Actor: Jin Urayama

The director of the Kyushino District administration bureau Misakioku. He excels at flattery and bland remarks, and constantly holds a fearless smile on his face. He seems to hold many secrets...

Yukie Kanoko

Voice Actor: Kotori Koiwai

A so-called bureaucratic blue-blood who comes from a family of bureaucrats. She is Sato’s superior in the Ministry of Foreign Affairs. Due to her position managing Cabinet Secretariat funds, she is well-informed about state secrets.