Age: Adult Gender: Male Race: Oni Height: 181cm Affiliation: Combat Unit Member Personality: Extremely positive and passionate. Blood Power: Summons a giant hand puppet made of blood to attack. The right hand can launch enemies, and the left hand can restrain them with a torii gate. Appearance: Purple eyes, purple hair, handsome. Likes: Watching sports, running, saunas. He frequently buys massage devices from home shopping channels. He is always coughing up blood. He has a weak constitution and is incredibly slow at running. He coughs up blood because of weak bronchial tubes. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Male Height: 160cm Race: Oni Affiliation: Combat Unit Member Appearance: White hair, lime green eyes, handsome. Ability: Can transform into anyone he touches, including their voice. He can also transform into non-human objects. He cannot change his height and can store up to three transformation targets. (Hidden Eye Mode): Usually acts innocent, but his true nature is revealed when he lifts his bangs to show his eyes. His speech is quite harsh and he spits out venomous words. He is dark-hearted, and it seems his hair turns into cat ears when he uses his ability. He is afraid of Naito and Masumi. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Male Race: Oni Height: 183cm Affiliation: Rasetsu Academy Teacher Former Combat Unit Elite Always wears roller skates. Appearance: Black hair, black eyes, cat-like handsome features. Personality: Blunt, cold, calm, cares for his students. Blood Power: Controls blood umbrellas and rain with 'Ryoran Shigure'. Fires arrows as a blood knight with 'Uwa Tensei'. Sweeps enemies away with a sea of blood using 'Okaminokami' and 'Shin'en Suian'. Kills with a blood dragon using 'Seisoryu-tai no Jau'. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Male Height: 184cm Race: Oni Affiliation: General Commander of the Support Unit, Kyoto Branch of the Oni Organization. Appearance: Coral hair and eyes, handsome. Has a lighthearted atmosphere. Blood Power: Grants immense regenerative power to Oni who consume his blood, but they develop a tolerance if they consume too much. He looks rough and is always smirking, but he possesses a strong sense of justice and conviction. Classmates with Mudano and Masumi at Rasetsu Academy. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Male Race: Oni Height: 162cm Affiliation: Captain of the Nerima Reconnaissance Unit, Oni Organization. Blood Power: Uses invisibility-type abilities to hide his presence and appearance. Consuming his own blood grants 11 minutes of invisibility. Appearance: Black hair, black eyes, handsome. Small irises compared to his large eyes. Always maintains a smiling poker face. His tone is stiff and cold. Good at delivering harsh truths. Likes: The scent of rosemary. Classmates with Mudano and Kyoya at Rasetsu Academy. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Male Height: 175cm Appearance: Black hair, black eyes, handsome. Affiliation: Vice-Captain of the Nerima Reconnaissance Unit, Oni Organization. Blood Power: Puts blood in a bottle; when shaken, the sound of the blood reveals the number of people nearby and the structure of buildings. He is a secret fan of Mudano and mimics his hairstyle. While Captain Masumi's unit has frequent personnel changes, he has supported Masumi for a long time. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Male Height: 178cm Race: Oni Affiliation: Vice-Captain of the Suginami Unit, Oni Organization. Blood Power: Creates barriers with blood. Appearance: Blond hair, gold eyes, scar on his left eye, handsome. Contrary to his intimidating appearance, he is kind. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Male Race: Oni Height: 177cm Affiliation: Captain of the Suginami Unit, Oni Organization. Appearance: Purple eyes, purple hair, handsome. Has 26 girlfriends. Blood Power: Creates textbooks out of blood and partially manifests their contents. Personality: Sly and playful. He finds Tome Meiwaku uncomfortable and dislikes her.

Age: Adult Gender: Female Race: Oni Height: 170cm Affiliation: Reconnaissance Member of the Suginami Unit, Oni Organization. Appearance: Grey twin-tails, blue eyes, beautiful. Blood Power: If she makes someone consume her blood, they cannot lie. Personality: Mischievous, charming, flirtatious. She loves handsome men to an extreme degree. She ignores or belittles other women. She enjoys playing the 'Queen Bee'. Ideal Types: Shion Kuchimori, Taiga Nagiri, Kaoru Namikido, Naito Mudano, Kyoya Oiranzaka. Has 28 boyfriends she is dating in secret.