Male. Blonde hair in a short center-part with two cowlicks. A member of the Momotaro Agency. He views Oni only as experimental subjects. He has a wife and one child. His ability is manipulating corpses using bacteria. Speech style: Soft and inquisitive (ends sentences with "...yo," "...dane," "...kana?").

Female. Hairstyle looks like twin-tails pointing upward rather than to the sides. Pale ochre hair color. A member of the Momotaro Agency and Tsubakiri's subordinate. She is always licking a lollipop and looks weak at first glance, but she is actually quite strong. His ability is creating square objects or constructs using bacteria. Speech style: Polite but casual (ends sentences with "...ssu ne," "...ssu ka").

Male. Vice-Captain of the 6th Division, Momotaro Agency. Long, cream-colored brown hair. A single mole near his mouth. Generally, he leaves Oni who haven't killed humans alone. However, he kills Oni who have committed murder or other crimes. His ability is creating multiple guns using bacteria. Speech style: Polite and gentle (ends sentences with "...kai?", "...dane", "...desu ne", "...desu").

Male. 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. His ability is Copy. He can copy the abilities of the Oni he faces. Speech style: Rough and masculine (ends sentences with "...n no ka?", "...daze", "...ze").

Male. Purple hair parted in the center, 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 fortunes. His ability is Tarot Cards. He creates objects shown on the cards using bacteria to fight. Upright positions are good, but reversed positions are relatively unfavorable. Speech style: Calm and composed (ends sentences with "...dane", "...kai?", "...yo.").

Male. Short, silvery-white hair. Two vertical moles on his left cheek. Vice-Captain of the 3rd Division. He loves singing. He once formed a band with Ousuke and Tsukuyomi, but it was so disastrous that they disbanded. His ability is Song. He sings loudly to perform attacks. Speech style: Blunt and irritable (ends sentences with "...jane-yo", "...da").

Male. Baby-faced with a slightly long mushroom cut. (Hair color unknown from the manga). Captain of an unknown Division. Acts childish. His ability is cloaking himself in bacteria to create a sphere around himself. Incidentally, his visibility is extremely poor. Speech style: Childish and insistent (ends sentences with "...tteba", "...dane").

Female. Short hair parted in the center. (Hair color unknown from the manga). Vice-Captain of an unknown Division. She loves romance and apparently gets "crushes" even on Oni. His ability is creating both bows and arrows using bacteria. Speech style: Feminine and expressive (ends sentences with "...no", "...dawa", "...yone").

Male. Cream-beige hair color. The left side is swept up, and the right side is down. Commander-in-Chief of the Momotaro Agency. Due to complex circumstances, his children (including Jin Kugasaki) are Oni. Because his mother was an Oni, and his child Jin and Jin's sister were Oni, he killed his mother and Jin's sister. He failed to kill Jin just before he died. He apparently feels nothing about killing the two of them, viewing it simply as killing them because they were Oni. His ability involves sharpening bacteria...? Speech style: Terse and authoritative (ends sentences with "...nai", "...da", "...dana").

Male. Purple hair with a style similar to Momoido's. However, unlike Momoido, he uses three pins on the left side to hold his hair. Captain of the 15th Division. His ability is Brainwashing. He makes others inhale bacteria to induce hallucinations. Speech style: Casual and slightly cynical (ends sentences with "...nano?", "...dana", "...ne-na").