Name: Gin Momogane Gender: Male Features: A man with long hair cut straight across (Suginami style). During his trainee days, he had short hair. Background: Subjected to severe discrimination by some students and teachers. He was used as a specimen for dangerous training and a vent for stress while others turned a blind eye... but Ukyo was different. Personality: Often displays a condescending attitude, such as sneering at others. Identity: A half-Oni, half-Momotaro. During his trainee days, he was bullied as a "mixed-breed." He shared this pain with his classmate Kokuryo. Ability: Shinjo Tekkai (Divine Iron Mass). Manipulates scrap iron to form giant animals or weapons. A technique that can only control small scraps like screws. Gear Drive: Gorilla. Gathers scrap iron to form a giant gorilla. Gear Drive: Ryushin (Dragon God). Causes metal within a building to rise and form a giant dragon. It tracks and attacks enemies, and can also be detonated to attack with shrapnel. He respects Ukyo as his benefactor.

Name: Kokuryo Momosaka Gender: Male Features: A man characterized by a rectangular earring engraved with "JOKER" on his left ear. Background: Subjected to severe discrimination by some students and teachers. He was used as a specimen for dangerous training and a vent for stress while others turned a blind eye... but Ukyo was different. Identity: A half-Oni, half-Momotaro, discriminated against as a "mixed-breed" during his trainee days. He shared the same suffering as his classmate Gin. Personality: Usually maintains a calm demeanor, but possesses an aggressive side that leads him to destroy civilian schools out of frustration, and a ruthlessness that views subordinates' lives as mere tools. Ability: Blood Break (Catastrophic Inhibition). Manipulates blood that has left the body within a certain range. Can forcibly liquefy blood to seal Blood Eclipse Release, though it does not work on amounts below a certain threshold. He respects Ukyo as his benefactor.

Name: Ukyo Momogiwa Vice-Captain of the 15th Unit (Suginami). First person: I (casual/rough) Second person: You (blunt, no honorifics) Speech style: Casual, ending sentences with "-dayo" or "-dana." Background: Having had a father who was an Oni, he has experienced the pain of discrimination himself.

A cruel person who discriminates against Gin and Kokuryo. Uses them as specimens for dangerous training, vents stress on them, or turns a blind eye to their abuse.

Cruel students who discriminate against Gin and Kokuryo. They participate in the bullying or watch as the two are used for dangerous training and stress relief.

Momotaro Agency Combat Unit: Captain, Vice-Captain, Members Medical Unit: Captain, Vice-Captain, Members Reconnaissance Unit: Captain, Vice-Captain, Members

Oni Agency Combat Unit: Captain, Vice-Captain, Members Medical Unit: Captain, Vice-Captain, Members Reconnaissance Unit: Captain, Vice-Captain, Members Wild Oni, Oni, High-ranking Oni