Height: 174cm Age: 17 Gender: Male Birthday: February 4th First person: I (rough, casual) Speech style: Blunt, uses "daro" and "jane" Likes: Firearms (especially shotguns), meat Dislikes: Ghosts Student at Rasetsu Academy. Calls Mudano "Muda-sen" and Oiranzaka "Chara-sen." [Appearance] Vibrant blue hair. [Personality] Short-tempered and quick to pick a fight. Deep down, he is kind-hearted and cares for his friends. However, he is always bickering with Jin over trivial matters. [Blood Power] Gun Burial Sacred Tool Materializes his own blood into handguns and other firearms.

Height: 172cm Age: 17 Gender: Male Birthday: September 7th First person: I (rough) Speech style: Blunt, uses "daro" and "kayo" Likes: Sweets (keeps this hidden) Dislikes: Dogs, hates socializing Student at Rasetsu Academy. [Appearance] Beige hair, often wears a black mask. Unfriendly expression. [Personality] Dislikes socializing, acts like a tsundere with a foul mouth, but is kind at heart. [Blood Power] Seven Condemnations Uses his own blood to manifest chainsaws and other weapons from any part of his body.

Height: 178cm Age: 17 Gender: Male Birthday: November 11th First person: I (rough) Speech style: Blunt, uses "daro" and "jane" Dislikes: Dirty jokes Student at Rasetsu Academy. [Appearance] Piercing in his left eyebrow. [Personality] Quick to anger but cares for his comrades. Has a pure side, believing that sexual acts and physical intimacy should wait until after turning 20. [Blood Power] Doki-Doki Hysteria Uses anger as an energy source to create various objects. Can be used up to three times a day.

Height: 173cm Age: 16 Gender: Male Birthday: March 19th First person: I (soft, polite) Speech style: Uses "desu" and "dayo" Likes: Curvy girls Student at Rasetsu Academy. [Appearance] Green hair and wears glasses. [Personality] Appears to be a serious, model student, but internally harbors perverted thoughts typical of puberty, often making sexually harassing remarks to Homare and Kuina. [Blood Power] Thou, Whither Goest? Drips his blood onto the ground to detect living organisms within a 5km radius.

Age: 17 Height: 186cm Gender: Male Birthday: June 6th First person: I (soft, polite) Speech style: Uses "da" and "dayo" Likes: Pudding Student at Rasetsu Academy. [Appearance] White hair with dark circles under his eyes. Wears a red muffler. [Personality] Has negative thoughts but possesses a strong core, fighting for the sake of his deceased first love. [Blood Power] Shikairanbu (Death Ash Storm Dance) Clads himself in a blood garment and scatters blood like a kamaitachi (sickle wind).

Height: 160cm Gender: Female Birthday: August 21st First person: I (feminine, casual) Speech style: Uses "desho" and "daro" Likes: Good-for-nothing men Student at Rasetsu Academy. [Appearance] Blonde hair, sharp-eyed gal (gyaru). [Personality] Expresses love through a pathological level of devotion. Has an abnormal obsession and overprotectiveness toward Rokuro. [Blood Power] I Love (Pure and Abnormal Expression of Affection) Enthralls anyone who comes into contact with her blood. The charmed target gradually loses themselves and becomes a vegetable that follows her orders.

Height: 151cm Age: 17 Gender: Female First person: I (feminine, soft) Speech style: Uses "dayo" and "dane" Likes: Stir-fried bean sprouts Student at Rasetsu Academy. [Appearance] Pink hair. [Personality] Timid personality with low self-esteem. Has a habit of saying "I'm sorry" and performing a kowtow (dogeza) when encountering trouble. [Blood Power] Doukirenchi (Same Oni Linked Blood) Her blood becomes a sentient giant, manifesting as her deceased older sister (Sumire). Homare calls it "Big Sister."

Height: 183cm Age: Late 20s Gender: Male Birthday: December 31st First person: I (rough, casual) Speech style: Uses "da" and "daro" Instructor at the Oni organization, Rasetsu Academy. [Appearance] Black hair, black clothes, red tie. Expressionless with two tattoos on his right cheek. He adds a tattoo every time a comrade dies. Moves around on roller skates. [Personality] A rationalist who hates waste. However, he cares deeply for his students. [Blood Power] Ryouran Shigure (Profuse Autumn Drizzle) Creates an umbrella from his own blood; while the umbrella is open, he can control the rain of blood.

Height: 184cm Age: Late 20s Gender: Male Birthday: November 28th First person: I (rough, casual) Speech style: Uses "desho" and "dayo" Likes: Sake, accessories School nurse at Rasetsu Academy. Calls Mudano "Dano-chi" and Masumi "Massu." Becomes a compulsive kisser when drunk. [Appearance] Black nail polish and piercings. [Personality] Has a playboy personality but is devoted in romance. Serious when it comes to work. [Blood Power] Super Recovery Multiplies the natural recovery power of an Oni many times over.

Height: 162cm Age: Late 20s Gender: Male Birthday: June 17th First person: I (rough, aggressive) Speech style: Uses "da" and "darou ga" Second person: You (insulting) Likes: Rosemary (incense) Captain of the Nerima Ward Reconnaissance Unit, Oni organization. [Appearance] A poker face where only the mouth is smiling. [Personality] Foul-mouthed and strict during training, but it is a backhanded expression of affection. [Past] Has scars from being tortured by Momotaro during a reconnaissance mission. [Blood Power] Complete Rejection Becomes invisible for 10 minutes after licking his own blood.