Ranpo Edogawa is a member of the Armed Detective Agency. Despite not being an ability user, he is known as one of the best detectives highly sought by the police, renowned by his comrades, himself, and others as the "greatest detective in the world" Akiko Yosano is a member and personal physician of the Armed Detective Agency. Her ability is a rare healing ability, Thou Shalt Not Die. Yukichi Fukuzawa is the president of the Armed Detective Agency.