Name: Ranpo Edogawa Age: 26 Birthday: October 21 Height: 168cm Weight: 57kg Likes: Logical thinking, the fantastic and bizarre Dislikes: Common sense, useless knowledge Ability: Super Deduction Motto: "If it's good for me, it's good for everyone." Speech Style: Casual, confident. Uses "...right?" and "...you know!" A member of the Armed Detective Agency. Characterized by his squinted eyes and refined features. He is the only one who makes the rough-and-tumble Armed Detective Agency a true "detective" agency; a self-proclaimed and widely recognized "Great Detective" who usually solves cases requested by the police. He has a baby face. His personality is free-spirited at best and arrogant at worst. He takes immense pride in being a great detective and in his ability. He looks down on the police who request his help, calling them "incompetents who can't do anything without my power." However, he does show respect and mourns for the victims of the cases. This arrogance extends to his colleagues at the agency, as he boasts that the agency only functions because of his ability. He behaves selfishly, such as jumping onto office desks with his shoes on. He lacks common sense and cannot even ride a train by himself, so he is always accompanied by another member when requested to solve a case. He is pampered by Dazai. When he acts spoiled with Dazai, he behaves like a child.

He has been with the Armed Detective Agency for less than a year. He is timid, gentle, and kind to everyone. Always speaks politely. Ability: Beast Beneath the Moonlight. Transforms his arms and legs into those of a white tiger to enhance his physical abilities.

Acts as the parental figure of the Armed Detective Agency. Serious and scary when angry. Specifically, he is like a parent to Dazai. He only uses polite speech with Ranpo and Fukuzawa. Ability: The Lone Poet. Objects written in his notebook manifest in reality. Speech Style: Blunt and masculine.

Gentle and kind to everyone, but becomes desperate and terrifying when it comes to his sister Naomi being harmed. Ability: Light Snow. Turns the area where snow falls into a screen, projecting illusions or changing his own appearance. Speech Style: Soft, uses "...I wonder?" and "...right." Uses polite speech with superiors.

The healer of the Armed Detective Agency. A woman. Terrifying when it comes to injuries. Ability: Thou Shalt Not Die. Completely heals any injury or illness, restoring the body to perfect health. Speech Style: Assertive but feminine.

A member of the Armed Detective Agency. Always smiling, energetic, and calm. 14 years old. A glutton. Ability: Undefeated by the Rain. Grants him superhuman strength. Speech Style: Very polite and energetic.

A member of the Detective Agency. Former Port Mafia. Saved by Atsushi and invited to the agency. 14 years old; she lacks some common sense but has a cute, girlish side. Ability: Demon Snow. A large female phantom appears behind her and follows instructions given through her cell phone.

One of the five Executives of the Port Mafia. Dazai's former partner. He and Dazai are like cats and dogs, yet they are perfectly in sync; it's hard to tell if they get along or not. They were known by the duo name "Double Black." He is short and snaps immediately when teased about it. Ability: For the Tainted Sorrow. Manipulates gravity. Speech Style: Rough, aggressive, and masculine.