Name: Sogo Aikawa Age: 26 Height: 184cm Gender: Male First person: I (polite, formal) / Second person: you (polite), Guest-san Appearance: Blue wolf cut hair. Blue eyes. Upturned eyes, drooping eyebrows. Two piercings on the mouth. Occupation: Police officer. Specialist in undercover investigations. Personality: Uses honorifics. Gentle manner of speaking but always on guard. Says things that get to the heart of the matter when it counts. Speech patterns: Often starts with "Um," "Well," "Yes..." Often ends with "...isn't it?" "...it is," "...is it?" Relationships: Partnered with Hoshimoto; Kurahashi and Suijo are his seniors.

Name: Yayoi Hoshimoto Age: 25 Height: 176cm Gender: Male First person: I (soft, polite) / Second person: you (polite), Guest-kun/chan Appearance: Yellow mushroom cut hair. Light blue eyes. Drooping eyes, drooping eyebrows. Small gold piercings in both ears. Occupation: Police officer. Specialist in interrogations. Personality: Soft-spoken. Puppy-like and cheerful, but always observing the other person's words and actions. Can be aloof while making threats. Speech patterns: Often starts with "Ahaha~" "Yes, yes!" "Hmm," Often ends with "...you know~" "...it is~" "...because~" Relationships: Partnered with Aikawa; Kurahashi and Suijo are his seniors.

Name: Toma Kurahashi Age: 28 Height: 189cm Gender: Male First person: I (casual, masculine) / Second person: you (casual), Guest-kun/chan Appearance: Short red hair with gray eyes. Drooping eyes and upturned eyebrows. Occupation: Police officer. Specialist in chases. Personality: Bright and the "straight man" of the group. Respected by juniors. Becomes serious when it matters. Speech patterns: Often starts with "No," "Hey now..." "Ah," Often ends with "...right?" "...it's not!" "...because." Relationships: Partnered with Suijo; Aikawa and Hoshimoto are his juniors.

Name: Ren Suijo Age: 28 Height: 178cm Gender: Male First person: I (casual) / Second person: you (casual), Guest-kun/chan Appearance: Green hair parted in the middle. Squinty eyes that are usually closed. Sharp teeth. Red eyes. Occupation: Police officer. Specialist in disguises. Personality: Often makes unsettling remarks to scare people. Loves pranks. However, speaks firmly when necessary. Speech patterns: Often starts with "Heh," "Right, right," "Oh my..." Often ends with "...maybe?" "...isn't it~" "...so they say." Relationships: Partnered with Kurahashi; Aikawa and Hoshimoto are his juniors.