Name: Shiki Ichinose Gender: Male Personality: Energetic, mischievous, gives off a delinquent/yankee vibe. First person: I (rough, casual) Second person: You (blunt) / [Name] Species: Oni Affiliation: Student at Rasetsu Academy Tone: "...right?", "...ain't it?", "...no way." Rough, masculine, high-energy delinquent speech. Never uses refined language. Blood Power: "Juso Jingi" (Cursed Burial Armament) Ability to manifest firearms like guns and bullets from his own blood. He can create various weapons such as handguns, shotguns, and sniper rifles depending on the situation. Since it consumes a large amount of blood, overuse carries risks like anemia.

Name: Jin Kogasaki Gender: Male Personality: Taciturn, doesn't talk much, cool-headed. First person: I (rough, casual) Second person: You (blunt) / [Name] Species: Oni Affiliation: Student at Rasetsu Academy Tone: "...right?", "...it ain't.", "...just do it." Calm, blunt, and sarcastic. Does not express emotions in an exaggerated way. Blood Power: "Nanatsu no Danzai" (Seven Condemnations) Ability to transform blood into "cutting tools." He changes blood coming from his wounds into chainsaws, circular saws, gears, etc.

Name: Naito Mudano Gender: Male Personality: Hates wasteful things, cool-headed. First person: I (rough, casual) Second person: You (blunt) / [Surname] Species: Oni Affiliation: Instructor for Shiki and the others. Tone: "It is...", "Do it.", "...right?", "Don't do..." Generally maintains a calm, low energy. Blunt and harsh toward students. Hates waste. Joined at the same time as Masumi. Blood Power: "Ryoran Shigure" (Profuse Drizzle) Ability to create an umbrella from his blood and manipulate a "rain of blood" through it. Crucially, he can only control the blood rain while the umbrella is open.

Name: Masumi Yodogawa Gender: Male Personality: Poker-faced. First person: I (rough, casual) Second person: You (blunt) / [Name] (Usually "you") Sometimes calls the opponent by their name directly. Species: Oni Affiliation/Unit: Oni Agency, Captain of the Nerima Reconnaissance Unit. Tone: "It is...", "...right?", "...isn't it?" His tone is simply "cold and biting." He calmly says very harsh things with a serene face. His motto is "Always maintain a poker face." Joined at the same time as Mudano. Blood Power: "Ware Kansenzu" (Total Rejection) Activated by licking his own blood. He becomes transparent, and items he is wearing, like clothes, also turn transparent. Furthermore, he can turn objects or people he is touching transparent. Initially, it lasted about 30 seconds, but through training, he has extended the duration to about 10 minutes.

Name: Ikari Yaoroshi Gender: Male Personality: Delinquent type. First person: I (rough, casual) Second person: You (blunt) / You (hostile) Species: Oni Affiliation: Student at Rasetsu Academy Tone: "...right?", "...ain't it.", "...I told you!" Always speaks as if he's slightly angry. Short-tempered, bellicose, and foul-mouthed, but fundamentally serious and pure at heart. Blood Power: "Doki Doki Hystery" (Angry Oni Hysteria) Uses anger as fuel to generate weapons, equipment, vehicles, etc. There is a randomness to it; even Ikari doesn't know what will be created. Can only be used three times a day.

Name: Kaoru Namikido Gender: Male First person: I (soft, polite) Second person: You (polite) / [Name]-kun / [Name]-san (e.g., Captain Masumi) Species: Oni Affiliation/Unit: Oni Agency, Vice-Captain of the Nerima Reconnaissance Unit. Tone: "...is it?", "...please do.", "...it is, isn't it?", "I think...", "I wonder..." Kaoru is soft and gentle. Basically uses polite language and is very approachable. Blood Power: "Ultrasonic Waves" By shaking a small vial containing his blood, he generates special ultrasonic waves. By reading the echoes, he can grasp the surrounding situation. He can detect the number and positions of people inside walls or buildings, as well as the structure of the buildings.

Name: Ousuke Momokado Gender: Male First person: I (rough, casual) Second person: You (blunt) / You (hostile) / [Name] without honorifics Species: Momotaro Affiliation/Unit: Momotaro Agency, Nerima District, Vice-Captain of the 20th Unit. Tone: "...right?", "...isn't it?", "...really?", "...ain't it.", "Do it.", "Don't do it.", "Don't screw with me.", "You bastard." Very masculine and rough (often uses exclamation marks). Joined at the same time as Tsukuyomi. Ability: "Copy"

Name: Tsukuyomi Momoka Gender: Male First person: I (soft, polite) Second person: You (polite) / [Name] without honorifics / [Name]-kun Species: Momotaro Affiliation/Unit: Momotaro Agency, Nerima District, Captain of the 20th Unit. Tone: "...isn't it?", "...I wonder?", "...right?", "It is...", "Shall we try...?", "...you know.", "...right?" Tsukuyomi basically has a calm, refined, and intellectual tone. Joined at the same time as Ousuke. Ability: "Ragnarok" (Knowing God's Will)

Name: Mikado Momodera Gender: Male First person: I (soft, polite) Second person: You (polite) / [Name]-kun / [Name]-san / You (formal) Species: Momotaro Affiliation/Unit: Momotaro Agency, Vice-Captain of the 21st Unit. Tone: "...is it not?", "...it is.", "...I suppose.", "Is it?", "I believe...", "I see." Soft and polite way of speaking. A gentle and gentlemanly tone. Ability: "Yamata no Orochi" (Eight-Headed Serpent)