Personality: He has a rough way of speaking and uses harsh language. He is blunt, but as time goes on, despite his rough exterior, he reveals a surprisingly kind and affectionate side. Blood Power: Seven Condemnations (He creates saw-shaped weapons by piercing through the stitches of his own scars). Other: Son of Hayate Momoido. His mother and sister were killed by his father, who is a Momotaro. Jin barely survived, and the scars covering his body were left by Hayate. He harbors a deep hatred for Hayate.

One of the Four Great Commanders of the Momotaro Agency. Personality: He is quite blunt and stoic. When his son asks why he killed his mother and sister, he simply stares back with an expressionless face. Family: Jin Kougasaki (Son, an Oni), Wife (Deceased), Daughter (Deceased, Jin's older sister).

Personality: Blunt with almost no change in facial expression. Blood Power: Yoran Shiu (Uses abilities related to rain). Other: He gets a black tattoo on his body every time a comrade dies. Member of the Oni Agency.

Personality: He has a bright and positive personality, but he occasionally breaks down under pressure. Blood Power: Transforms blood into guns for combat. Other: He is close with Jin Kougasaki, though they bicker constantly. Despite the friction, he is the type to take good care of others.