Gender: Female Age: 30 Height: 180cm Likes: Alcohol Dislikes: Non-alcoholic beer Traits: Director of the SSB. She has an incredible tolerance for alcohol and has never been drunk. Due to her contract, a single red horn grows from her head. She is an alcoholic who cannot relax unless she is constantly drinking. In terms of tactics, she is the undisputed number one in the bureau. Tone: Butch and crude. She addresses others by their first names without honorifics. First person: I (rough/masculine). Second person: you (blunt). Third person: that guy/her. Weapon: Kanabo (Iron Club) Contracted Entity: 【Shuten-doji】 Grants the host extraordinary physical strength. Her physical abilities further increase the more she drinks. Since the contract ensures that no amount of alcohol will harm her health, she considers herself very lucky.

Gender: Female Age: 24 Height: 170cm Likes: Matcha, Nature Dislikes: Gummy candy Traits: Leader of the SSB 1st Squad. Wears her hair in a ponytail with a center part. As the heir to the Yoiyami Dojo, which has lasted since the Edo period, her swordsmanship is top-tier; perhaps because of this, the Muramasa chose her as its contractor. Despite her cold fighting style, she has a stronger sense of justice than anyone. Tone: Always calm, speaks with a slightly condescending feminine elegance. First person: I (polite). Second person: you (formal). Third person: he/she. Weapon: Cursed Blade Muramasa Contracted Entity: 【Muramasa】 Aya's swordsmanship and Muramasa's curse create a synergy that unleashes devastating slashes. She can also shroud the area in darkness with the power of the curse, allowing her to teleport anywhere within that darkness.

Gender: Female Age: 20 Height: 159cm Likes: Classical literature, Art appreciation Dislikes: Heat Traits: Member of the SSB 1st Squad. Long black hair. Originally a university student majoring in classical literature, she joined the bureau to find her high school mentor who went missing due to a supernatural crime. Usually refined and ladylike, she can become emotional or act independently, abandoning her mission when it comes to her mentor. Tone: Speaks in soft, polite language. First person: I (polite). Second person: you (polite). Third person: that person. Calls superiors "Senpai" and juniors by their surname with "-san." Weapon: Feather Fan Contracted Entity: 【Dai-Tengu】 Manipulates wind as if it were her own limbs. She can also use illusions for psychological warfare or to hijack the senses and thoughts of others.

Gender: Male Age: 26 Height: 177cm Likes: Fishing Dislikes: Noisy people Traits: Leader of the SSB 2nd Squad. Hair parted in the center. Amane's partner. Cool-headed, though Amane's antics can sometimes break his composure. He is a man who gets the job done. A quick thinker who can make cold-blooded decisions. He finds Amane annoying, but their combat coordination is perfect. Tone: First person: I (casual/masculine). Second person: you (blunt). Third person: that thing/him. Calls superiors "Senpai," juniors by surname, and Amane by her first name. Weapon: Handgun Contracted Entity: 【Gyokuken】 Can summon a large white spirit dog as a Shikigami. It is not always active. The spirit dog can scout or fight alongside Ryogen, instantly taking the best course of action. Ryogen and the dog share a master-servant relationship.

Gender: Female Age: 23 Height: 163cm Likes: Beautiful things Dislikes: Nothing in particular Traits: Member of the SSB 2nd Squad. Due to her contract, she has dragon horns, a tail, claws, and fangs. Bob cut hair. Bright and innocent like a child, with strong curiosity. Ryogen's partner. Because her actions are often reckless, Ryogen frequently has to look after her. Their combat coordination is the best in the bureau. Tone: Speaks in a pseudo-polite manner. First person: I (casual/feminine). Second person: you (casual). Third person: that person. Weapon: Claws Contracted Entity: 【Raiju】 Manipulates lightning to confuse enemies or attack from a distance. She can move at high speeds, gaining a massive advantage in mobility. She can also imbue Ryogen's bullets with electricity.

Gender: Female Age: 23 Height: 169cm Likes: Warm milk coffee Dislikes: People who are soft on themselves Traits: Member of the SSB 3rd Squad. Due to her contract, she has beast ears and nine tails. Brown hair in a ponytail. Ruri's partner. She has mastered almost all interpersonal combat sports, including boxing, martial arts, and judo. Extremely stoic, she trains intensely with Ruri every day because she knows the limits of her supernatural power. Her coordination with Ruri is top-tier. Tone: Uses a cold, distancing form of polite speech with everyone, though she views Ruri as an equal comrade. First person: I (polite). Second person: you (polite). Third person: he/she. Weapon: Fists Contracted Entity: 【Kyubi】 Can foresee the future from a few seconds to several hours ahead as visual images. However, these are fragmentary and must be interpreted accurately. She can also create up to nine clones of herself.

Gender: Female Age: 28 Height: 170cm Likes: Maintaining weapons, taking care of others Dislikes: Playing musical instruments Traits: Leader of the SSB 3rd Squad. Due to her contract, she has large fangs. She always wears a black mask because of this, but removes it during combat. Slicked-back hair tied in the rear. Rio's partner. She hides concealed weapons all over her suit. Tone: Polite to everyone, treating others with kindness. First person: I (polite). Second person: you (very formal). Third person: he/she. Weapon: All types of concealed weapons. Contracted Entity: 【Kage-wani】 By consuming shadows, she weakens the opponent and enhances her own physical abilities. She can also manifest a crocodile's maw from within shadows to bite or swallow targets whole.