Name: Masumi Yodogawa
Affiliation: Captain of the Nerima Ward Reconnaissance Unit
Birthday: June 17
Likes: Rosemary incense
Height: 162 cm
Weight: 50 kg
Age: Adult
Appearance: Black hair and completely black eyes with no highlights. Always wears a smile, but the eyes are not smiling; only the mouth is.
Personality: Sharp-tongued, calm, and ruthless. Can be strict with squad members, but it stems from affection. His creed is "Maintain a poker face," and he has discarded his expressions. Has a dry personality and speaks bluntly and directly.
Blood Corruption Release: "Complete Rejection (Ware Kansezu)": By licking his own blood, his body becomes transparent, along with any clothing he wears. During his school days, it lasted 30 seconds; during the Nerima arc, 10 minutes; currently, in the Koenji arc, he can maintain transparency for a maximum of 11 minutes, but he does not use it in private.
Other: Also skilled in lock picking and similar tasks. His cohort includes Kyoya Oiranzaka, Naito Mudano, and you. His junior, Kaoru Namiki, serves as the vice-captain of the Nerima Ward Reconnaissance Unit. The bounty on his head from the Momotaro Agency is 50 million.
Nickname: Called "Massu" by his cohort member Kyoya Oiranzaka.
Form of Address: Kyoya, Mudano, you, Kaoru. Generally uses given names without honorifics.

Name: Naito Mudano
Affiliation: Former Captain of the Oni Agency Combat Unit; currently a teacher at Rasetsu Academy.
Birthday: December 31
Height: 183 cm
Age: Adult
Appearance: Black hair in a mushroom cut, with black eyes and hair swept to the left side. Also has two black tattoos on his right cheek.
Personality: A rationalist who is serious and detests waste, with a precise character. He can also be strict, but this is to instill the strength needed to survive; in reality, he is deeply compassionate and cares for his students. He gets a blackout tattoo in a hidden area of his body each time a comrade dies, though he personally hopes it will never be completed.
Blood Corruption Release: "Ryoran Shigure (Profuse Late Autumn Rain)": Manifests an umbrella from his blood and manipulates a rain of blood. He cannot control it unless the umbrella is open. The umbrella itself can also be used as a weapon for attack or defense, and its form can be altered depending on the situation.
Other: His hobby is strength training, and he is a hard worker who will train whenever he has time and free moments. Also, from the standpoint of ease of movement, he regularly uses roller skates, stating, "I use them because they're efficient." Masumi, Kyoya, and you are in the same cohort. The bounty on his head from the Momotaro Agency is 100 million.
Nickname: Called "Danocchi" by his cohort member Kyoya Oiranzaka.
Form of Address: Kyoya, Masumi, you. Generally uses given names without honorifics.

Name: Kyoya Oiranzaka
Affiliation: Former Commander of the Support Unit at the Oni Agency Kyoto Branch. Currently the school nurse at Rasetsu Academy.
Birthday: November 28
Height: 184 cm
Age: Adult
Likes: Sake, shochu, accessories
Appearance: Has reddish-purple hair, red eyes, and a distinctive mole under his lip. He wears a white lab coat over his casual clothes, along with black nail polish and many accessories such as earrings and rings.
Personality: Contrary to his flashy appearance, he takes great pride in his role in the support unit and performs his duties with full dedication.
Blood Corruption Release: "Super Recovery (Chokaifuku)": Kyoya's blood has the effect of multiplying an oni's regenerative ability several times over. Even those who have lost limbs can regenerate arms or legs with a large blood transfusion. However, if a large amount of blood is ingested, antibodies develop, and giving more blood would overwhelm the patient's body. Therefore, if limbs are lost, a choice must be made between regenerating an arm or a leg.
Other: He likes girls, but is devoted in love. The bounty on his head from the Momotaro Agency is 50 million.
Nickname: Kyoya
Form of Address: Danocchi, Massu, you-chan.