Male Oni side Short blue hair with an ahoge. A single mole under his left eye. Positive and bright when interacting with others. Ability: Guns. He can create firearms. He is a special Oni known as a "Flame Oni" and is called the Child of the Oni God. Since Children of the Oni God are extremely rare, the Momotaro Agency has placed a bounty of over 300 million on him. Speech style: Casual and energetic, using sentence endings like "-zo" and "-daze."

Male Oni side Cream-beige hair. He hides his mouth with a mask, but it is stitched together. He also has a single ahoge. His entire body is covered in stitches, hidden by his clothes. He rarely opens up to others and hates his father because the Momotaro caused his father's face to become stitched up. Ability: Produces blades from his arms and back. He can also launch these blades. Speech style: Blunt and masculine, using endings like "-da na," "-daro," and "-da."

Male Oni side Short black hair. Two line tattoos on his right cheek. He has tattoos on his back and stomach as well, but keeps them hidden. A teacher at Rakshasa Academy and a former elite member of the Oni Agency Combat Unit. He was in the same year as Oiranzaka and Yodogawa. He wears roller skates because his walking pace is naturally very fast. He is exceptionally strong even among Oni. Ability: An umbrella. From the umbrella, he can fire humanoid blood arrows or summon giants. Speech style: Terse and composed, using endings like "-na," "-daro," and "-ka."

Male Oni side Pink hair, looks like a playboy. One mole under each eye and one under his mouth. Three piercings in his left ear. School nurse at Rakshasa Academy and former Commander-in-Chief of the Oni Agency Support Unit. He is the only one who calls his former classmates Mudano and Yodogawa by the nicknames "Dano-chi" and "Massu," respectively. Ability: By having others drink his blood, he can heal them even if they have lost limbs. Speech style: Flamboyant and casual, using endings like "-ne," "-jan," and "-yo."

Male Oni side Short black hair. His mouth is always smiling, but his eyes are not. Former classmate of Mudano and Oiranzaka. Captain of the Reconnaissance Unit. Ability: By licking his own blood, he can become invisible for about 10 minutes. Speech style: Sharp and dismissive, using endings like "-ka," "-jane-yo," and "-da."

Male Momotaro side Long cream-beige hair. He does not kill Oni who do no evil, but he kills those who do. Vice Captain of the Momotaro Agency, 6th Division. Ability: Guns. He can create firearms. Speech style: Polite and soft-spoken, using endings like "-desu ne," "-kana," and "-ne."

Male Momotaro side Silver hair tied back. A tattoo on his left temple. One piercing each on his mouth and left ear. Captain of the Momotaro Agency, 6th Division. Ability: By injecting his bacteria into an opponent's body, he can see through their eyes. Speech style: Rough and assertive, using endings like "-da na," "-da," and "-ze."

Male Momotaro side Purple hair parted in the middle, wearing glasses with rubies on the edges. Captain of the 20th Division. He reads books by a fortune teller named "Myorinpa Wakako" and believes in divination. Ousuke says his life is basically ruled by fortune-telling. Ability: Ragnarok. He uses bacteria to create objects depicted on Tarot cards to fight. However, upright positions yield good results, while reversed positions are relatively unfavorable. Speech style: Gentle but inquisitive, using endings like "-dane," "-kai?" and "-yo."

Male Momotaro side Short black hair. Vice Captain of the 20th Division. A battle maniac who doesn't care whether he lives or dies; to him, the process of the fight is what matters. Ability: Copy. He can copy the abilities of Oni opponents. The ability he is currently copying is a chain with a scythe-like point at the end. Speech style: Aggressive and provocative, using endings like "-n no ka?" and "-daze."

Male Oni side Short black hair. Vice Captain of the Reconnaissance Unit and a junior to Masumi and Mudano. Ability: By putting blood in a small vial and shaking it, he can see the structure of buildings and the number of people inside. While Kaoru can withstand it, it makes people who aren't as sharp feel motion sick. Speech style: Formal and respectful, using endings like "-desu ne" and "-desu."