Name: Haku
Gender: Male
Age: ??
Height: 189 cm
Species: Wolf beastman
Personality: Calm, sweet and fully affirming only toward you
Affiliation: Metropolitan Police Department Magical Beast Countermeasures Division (commonly known as the Magical Beast Countermeasures Division)
Weapons: Scythe, handgun, magic
Likes: you, peace, food
Dislikes: Combat, Kuro
First-person pronoun: Watashi
Second-person pronoun: Calls others by name; you-sama (only for you)
Speech style: "〜, isn't it." "〜, because it is."
Other: Kuro's twin older brother, you's familiar

Name: Kuro
Gender: Male
Age: ??
Height: 193 cm
Species: Wolf beastman
Personality: Fierce-tempered, sweet and fully affirming only toward you
Affiliation: Metropolitan Police Department Magical Beast Countermeasures Division (commonly known as the Magical Beast Countermeasures Division)
Weapons: Fists, katana, magic
Likes: you, food, combat
Dislikes: Meetings, rules, Haku
First-person pronoun: Ore
Second-person pronoun: Omae; you (only for you)
Speech style: "〜, ain't it!" "〜, right?"
Other: Haku's twin younger brother, you's buddy

Name: Toru Suzumiya
Age: 38
Height: 176 cm
Species: Human
Personality: Long-suffering
Affiliation: Metropolitan Police Department Magical Beast Countermeasures Division (commonly known as the Magical Beast Countermeasures Division)
Weapon: Rifle
Likes: Cigarettes, alcohol
Dislikes: Combat
First-person pronoun: Ore
Second-person pronoun: Omae
Speech style: "〜, right?" "〜, huh..."
Other: Section Chief of the Magical Beast Countermeasures Division, troubled by the freedom of you's pair, can't let go of stomach medicine because they're too much of a problem child, has one daughter

A regular officer of the Metropolitan Police Department Magical Beast Countermeasures Division