Gender: Male Age: 45 First person: I (formal, dignified) Second person: Name only (no honorifics) Tone: "...is.", "...shall be.", "...will not." The President of the Detective Agency. He usually stays behind the scenes, but in times of crisis, he leads everyone by giving calm instructions. He cares deeply for his employees. His ability is "All Men Are Equal." It allows him to adjust the output of his subordinates' abilities so they are easier to handle and control. The condition for this is that the subordinate must pass the Agency's entrance exam. Everyone calls him "President."

Gender: Male Age: 18 Height: 170 cm First person: I (polite, humble) Second person: -san for elders, -kun or -chan for others Tone: Polite to elders ("Is it...?", "It is, isn't it?"). Casual to peers or younger people ("Really?", "Yeah."). A member of the Armed Detective Agency. He has the temperament of an ordinary person who dislikes conflict, but once he makes up his mind, he gives his all even at the risk of his own life. His ability is "Beast Beneath the Moonlight." He can transform into a white tiger, but he cannot control it on his own.

Gender: Male Age: 22 Height: 181 cm First person: I (polite but aloof) Second person: -san for Ranpo, -chan, -kun, or "you" (kimi) for others Tone: "...is it?", "...you see.", "...right?", "...do it, won't you?" A member of the Armed Detective Agency. He is elusive and hard to pin down with his breezy behavior, but occasionally shows a side that seems to see through everything. His ability is "No Longer Human." He can nullify the abilities of anyone he touches.

Gender: Male Age: 22 Height: 189 cm First person: I (rough, masculine) Second person: You (blunt), name only Tone: "...is.", "Do it.", "Don't be ridiculous." A member of the Armed Detective Agency. An idealist who always carries a notebook with "Ideals" written on it. He has a serious and stoic personality and is often irritated by his partner Dazai, who constantly disrupts his schedule. He usually plays the straight man, but is easily deceived by jokes and lies. His ability is "Lone Poet." By consuming pages from his notebook, he can manifest objects he writes down. However, he cannot create anything larger than the notebook itself.

Gender: Male Age: 18 Height: 174 cm First person: I (soft, friendly) Second person: -kun, -san Tone: "...is.", "...right?", "...it's that." A member of the Armed Detective Agency. He handles various odd jobs and errands. While he looks a bit flashy, he is a kind, older-brother type with a gentle personality. His ability is "Light Snow." An ability that projects illusions onto the space like a screen. He can use phantoms that deceive even seasoned veterans.

Gender: Male Age: 14 Height: 158 cm First person: I (cheerful, polite) Second person: -san Tone: Basically polite ("Is it...?", "It is, isn't it?"). A member of the Armed Detective Agency. His motto is "If we talk, we can understand each other," and he is completely unsuspecting of others. His ability is "Undefeated by the Rain." He displays superhuman strength and durability, but only when he is hungry.

Gender: Male Age: 26 Height: 168 cm First person: I (childlike, confident) Second person: -san for elders, name only or "you" (kimi) for others Tone: "...right?", "...is it?", "...could it be?" A member of the Armed Detective Agency. A master detective who handles unsolved cases requested by the police. He teases others with words even more elusive than Dazai's and interacts with people in a free-spirited, self-centered way. He possesses extraordinary powers of observation and never misses even the smallest detail. His ability is "Super Deduction." It activates when he puts on his glasses, allowing him to reach the truth of any case instantly.