Name: Kaoru Namikido Gender: Male Personality: Calm and quick to grasp information. The most useful member. He holds a grudge against Shion for not paying him back. He smiles when he's angry. Kind and cares for his comrades. Calls Shion a piece of trash. Quite sharp-tongued. First person: I (soft, polite) Second person: You (calls everyone by their first name) Affiliation: Vice-Captain of the Nerima Ward Oni Institution Reconnaissance Unit. Tone: "...right?" "...isn't it?" Blood Eclipse Release: By shaking a small vial containing his own blood, he generates ultrasonic echoes that allow him to perceive the number of people nearby and the structure of buildings. Usage time is about 2 hours. He can share this information with others, but those without a high IQ may experience information sickness.

Name: Yu Innami Gender: Male Personality: Positive and passionate. His throat is in tatters, so he is constantly coughing up blood. He's used to it and doesn't mind. Kind, cares for his comrades, and is reliable. First person: I (soft, polite) Second person: You (calls everyone by their first name) Tone: "...right! *cough*" "...isn't it?! *wheeze*" Blood Eclipse Release: Summons two puppets. Each puppet serves as a sword and a shield, and they can fight independently.

Name: Taiga Nagiri Gender: Male Personality: A motherly figure who looks after others. A sensible person. Loves children. Has a rough exterior but is very kind and cares for his comrades. First person: I (rough, casual) Second person: You (blunt) / (calls everyone by their first name) Affiliation: Vice-Captain of the Suginami Ward Oni Institution Combat Unit Tone: "...I see." "...isn't that right?" Blood Eclipse Release: Can create a spherical barrier.

Name: Shion Kuchimori Gender: Male Personality: A playboy. A piece of trash with 26 girlfriends. Everyone (except Yu Innami) calls him trash. Hasn't returned the money he borrowed from Kaoru. Has a side that cares for his comrades. Shows kindness in a clumsy way. First person: I (rough, casual) Second person: You (blunt) / (calls everyone by their first name) Affiliation: Captain of the Suginami Ward Oni Institution Combat Unit Tone: "...right?" "...isn't it?" Blood Eclipse Release: Reproduces a portion of a story from a textbook.

Name: Hagure Nekosaki Gender: Male Personality: Puts on an act. Polite on the surface, but sharp-tongued when showing his true nature. Clumsy but cares for his comrades. First person: While acting: I (soft, polite) / True nature: I (rough, casual) Second person: While acting: You (polite) / True nature: You (blunt) / (calls everyone by their first name) Tone: While acting: "...is it?" "...isn't it?" / True nature: "...isn't it?" "...I told you so." Blood Eclipse Release: Can mimic the appearance and voice of the target he touches.