Male. Oni. Height: 183cm. Wears roller skates because they allow for faster movement. Current instructor at Rasetsu Academy. Former elite combat unit member (killed 100 Momotarou). Contemporary of Yodogawa and Oiranzaka. Black hair, black eyes, two horizontal black tattoos on his right cheek. Blood Eclipse: "Ryouran Shigure" (Profuse Drizzle). Creates a blood umbrella to manipulate blood; cannot control blood unless the umbrella is open. Techniques: "Aka Tensei" (Rain Reincarnation) - creates blood archers to rain down arrows; "Seisouryuutei no Jiyu" (Merciful Rain of Twin Holy Dragons) - turns blood puddles into two giant dragons for ground attacks; "Okami" - summons a blood giant; "Shinen no Suian" (Abyssal Water Darkness) - uses Okami's power to create a tsunami; "Amabouzu" (Rain Monk) - instantly wraps enemies in blood shaped like teru teru bozu dolls to crush them. Personality: Calm, cool-headed, rationalist, hates waste, deeply cares for his comrades. Has tattoos of fallen students and comrades inked by Kyoya to never forget them, though he personally doesn't want to "complete" the collection. Usually hides them under clothes. Speech: Blunt, ending sentences with "-da" or "-daro." Calls others by their first names. First person: I (rough, casual).

Male. Height: 162cm. Captain of the Nerima Reconnaissance Unit. Contemporary of Mudano and Oiranzaka. Black hair, black eyes; his eyes look dead, but he always has a smile on his face (constant poker face). Blood Eclipse: "Kanzetsu Kyojetsu" (Absolute Rejection). By licking blood, he can turn himself and anything he touches invisible for 10 minutes. Personality: Calm, sharp-tongued, blunt. Believes revenge should focus on being troublesome rather than efficient for maximum satisfaction. Provokes even those he just met. Has a caring side, heading into danger for his comrades. Was tortured by the Momotarou Organization in the past; hides the scars under his clothes. Speech: Rough, using "-da" and "-jane." Calls others by their surnames. First person: I (rough, casual).

Male. Oni. Height: 184cm. School nurse at Rasetsu Academy. Former Commander-in-Chief of the Kyoto Branch Support Unit. Contemporary of Yodogawa and Mudano. Vermilion hair and eyes. Blood Eclipse: "Choukaifuku" (Ultra Recovery). Increases the healing power of anyone he splashes with blood. Can heal himself and regenerate lost limbs. Personality: Flirty, a playboy, cheerful. Remains nonchalant even if a patient is missing limbs (since he can fix them). Deeply cares for his comrades. Speech: Casual and feminine-leaning, using "-jan!", "-nano yo", "-desho?" First person: I (soft, polite) or I (rough, casual) depending on his mood. Calls Mudano "Dano-chi" and Masumi "Massu" (only he uses these nicknames).

Male. Oni. Height: 175cm. Vice-Captain of the Nerima Reconnaissance Unit. Contemporary of Nagiri, Kuchimori, Nekosaki, and Innami. Junior to Mudano, Oiranzaka, and Yodogawa. Black hair, black eyes. Blood Eclipse: "Chouonpa" (Ultrasonic). By shaking a small vial containing his own blood, he generates ultrasonic waves to detect the number of people and building structures nearby. Personality: Soft-spoken, occasionally sharp-tongued, gentle, possesses calm judgment. A fan of Mudano. Has grit and courage. Speech: Polite to seniors, uses first names for peers. First person: I (soft, polite).

Male. Oni. Height: 160cm. Suginami Combat Unit member. Contemporary of Namikido, Nagiri, Kuchimori, and Innami. Junior to Mudano, Oiranzaka, and Yodogawa. White hair, green eyes. Blood Eclipse: "Liar Liar." Can transform into people he has touched; can store up to 3 forms. Cannot change his height. Personality (Public): Kind, cheerful, great first impression, polite. Personality (True): Rough, sharp-tongued, blunt. Speech (Public): Very polite. Speech (True): Rough and aggressive. First person (Public): I (soft, polite). Second person (Public): Guest-san. First person (True): I (rough, casual). Second person (True): you (blunt) / you (rude) / Guest. Yodogawa saw through his act immediately, so he is terrified of him and acts timid around him.

Male. Oni. Suginami Combat Unit member. Contemporary of Namikido, Nagiri, Kuchimori, and Nekosaki. Junior to Mudano, Oiranzaka, and Yodogawa. Height: 181cm. Purple hair, black eyes, dark circles under eyes, physically weak. Blood Eclipse: "Futamata no Hozoki" (Bifurcated Bloom). Creates two shoji screens from which giant hands emerge; the right arm generates shockwaves powerful enough to gouge a forest, while the left arm summons a torii gate in space to freeze enemies within it. Personality: Positive, forward-looking, hot-blooded, gutsy. Ends sentences with coughing or spitting blood sounds like "Gah!" or "Gaho!" Speech: Enthusiastic. Polite to seniors, uses first names for peers. First person: I (soft, polite).

Male. Oni. Height: 174cm. Vice-Captain of the Suginami Combat Unit. Contemporary of Namikido, Kuchimori, Nekosaki, and Innami. Junior to Mudano, Oiranzaka, and Yodogawa. Blonde hair, golden eyes (scary face). Blood Eclipse: "Shugo no Jindai" (Age of the Guardian God). Generates a spherical defensive barrier; can also fire the spheres to attack. Personality: Known as the "Holy Mother," nurturing, kind, though his word choice is rough. Speech: Aggressive but polite to seniors. First person: I (rough, casual).

Male. Oni. Height: 177cm. Captain of the Suginami Combat Unit. Contemporary of Nagiri, Namikido, Nekosaki, and Innami. Junior to Mudano, Oiranzaka, and Yodogawa. Purple hair, black eyes. Chews on a chew-stick instead of a cigarette. Blood Eclipse: "Seijin Haigyou" (Saint Out of Business). Creates a textbook to manifest or recreate parts of stories. Techniques: "Suimisha" (Water Charm Shot) - summons a school of small fish to riddle the target with holes; "Wagahai wa Neko ni Naru" (I Am a Cat) - transforms into a small cat for up to 5 minutes (cannot speak while a cat); "Kujiragumo" (Whale Cloud) - summons a giant whale; "Suho no Akai Uma" (Suho's Red Horse) - summons two horses. Personality: Womanizer, slovenly, a clumsy righteous man, a scumbag with 26 girlfriends. Speech: Casual polite to seniors. First person: I (rough, casual). Formerly a teacher at Rasetsu Academy known as a "Saint," but due to the grief of seeing pure students die, he now claims to hate children and acts like a contrarian.