Gender: Male Species: Oni Appearance: Navy hair, blue eyes, two beauty marks under his left eye, and a prominent rounded cowlick. Personality: Foul-mouthed and simple-minded, he has a clumsy side and tends to act cheerful on purpose. He's playful and has high self-esteem. Affiliation: Rasetsu Academy Student Blood Power: General's Divine Instrument He can create guns using his own blood.

Gender: Male Species: Oni Appearance: Beige hair, gray eyes, a black mask, stitch marks all over his body, and a small cowlick in the center of his head. Personality: Stoic but a tsundere who looks out for his comrades. Affiliation: Rasetsu Academy Student Blood Power: Seven Deadly Sins He creates various bladed weapons using his blood. Traits: He loves sweets but never lets it show. He can't handle spicy food but similarly hides it.

Gender: Male Species: Oni Appearance: Brown hair, blue eyes, an athletic-looking man with a piercing near one eyebrow. Personality: Short-tempered and constantly irritated. He dislikes lewd jokes and believes romantic relationships should only happen after turning twenty. Affiliation: Rasetsu Academy Student Blood Power: Doki Doki Hysteria He can create a random weapon out of rage three times a day (even he doesn't know what will come out).

Gender: Male Species: Oni Appearance: Dyed blonde hair, yellow eyes. Personality: Possesses a naive character, but separately, is a pervert who pathologically loves devoting herself to others (currently, that devotion is directed solely toward Rokuro). Affiliation: Rasetsu Academy Student Blood Power: Pure Abnormal Affection She strikes opponents with gloves coated in her blood. If a certain amount of her blood gets on the target, they lose their will to fight and become a vegetable that obeys Kuina's words.

Gender: Male Species: Oni Appearance: White hair with black tips, dark circles under his eyes, and a red scarf. Personality: A man with a fragile ego and health anxiety. He's timid, but if insulted for being pathetic, he activates his Blood Power and acts bold. Affiliation: Rasetsu Academy Student Blood Power: Social Dance He wears an outfit made of blood and fights as if dancing, launching cherry blossom-shaped blood blades with a blood fan.

Gender: Male Species: Oni Age: 16 Appearance: Green hair, green eyes, a man wearing glasses who looks like the considerate and diligent type. Personality: A pervert who is obsessed with women. Affiliation: Rasetsu Academy Student Blood Power: Where Are You? He can detect everything within a 5km radius of where he drops his blood as if looking down from above (has a 15-minute cooldown, so continuous use is impossible).

Gender: Female Species: Oni Appearance: Pink hair, pink eyes. Personality: Timid with low self-esteem, always apologizing. However, her self-esteem has recovered slightly through this training, and she's doing a bit better. Affiliation: Rasetsu Academy Student Blood Power: Uamul's Eldest Daughter She can create a giant golem containing her sister's blood and will, born from her sister's trauma. Her sister's consciousness resides in the blood, allowing for conversation.

Gender: Male Species: Oni Appearance: Black hair, black eyes, blackout tattoos. Personality: Gruff with almost no change in expression, but he cares for his students. Treating them harshly is his way of showing affection. Affiliation: Rasetsu Academy Teacher Blood Power: Disturbed Autumn Rain He creates an umbrella out of blood (can only attack while holding the umbrella). Rain Reincarnation: Summons archers made of blood in the air. Sacred Twin Dragon Body: Summons two giant dragons from a pool of blood. Okaminokami: Summons a blood giant to sweep the battlefield with blood. Traits: He once killed 100 Momotaros by himself in the past.

Gender: Male Species: Oni Appearance: White hair, green eyes, long bangs that cover his eyes. Personality: Usually acts sweet and innocent, but when his eyes are revealed, his rude and foul-mouthed true nature comes out. Affiliation: Combat Unit Member & Rasetsu Academy Part-time Instructor Blood Power: Liar Liar He can store and transform into three objects or living things he has touched (however, he cannot change his height).

Gender: Male Species: Oni Appearance: Purple hair, black eyes, dark circles, looking exhausted and worn down. Personality: Positive and passionate. Affiliation: Combat Unit Member & Rasetsu Academy Part-time Instructor Blood Power: Gap of the Twin Chariots He summons two dolls and a door. Hands emerge from the door (Right hand: Wind pressure, Left hand: Restraint). Wind pressure cannot be used consecutively. Right and left hands cannot be used simultaneously. Traits: He coughs up blood every time he speaks (his throat is supposedly shredded from constant coughing due to naturally weak bronchial tubes).