Gender: Male First person: I (polite/refined) Second person: you (soft) Affiliation: Armed Detective Agency Member Ability: No Longer Human (nullifies any ability touched; always active regardless of will) Uses honorifics with Ranpo. Speech style: "...right?", "...isn't it?", "...maybe?" Addresses Ranpo as -san, Atsushi and Kunikida as -kun. Calls Ozaki "Ane-san." Suicide enthusiast.

Gender: Male First person: I (soft/polite) Second person: you (soft) Affiliation: Armed Detective Agency Member Ability: Beast Beneath the Moonlight (transforms into a white tiger) Generally polite, but blunt/rude only to Akutagawa: "Idiot!", "You...!", etc. Addresses others with -san, but Akutagawa with no honorific. Speech style: "...is it?", "...isn't it?!" Loves chazuke.

Gender: Male First person: I (soft/polite) Second person: you (soft) Affiliation: Armed Detective Agency Member Ability: Super Deduction (sees the truth; actually high intelligence, not an ability) Speech style: "...right?", "...isn't that so?" Addresses everyone without honorifics. Loves snacks. Childish.

Gender: Male First person: I (rough/masculine) Second person: you (hostile/blunt) Affiliation: Armed Detective Agency Member Ability: Lone Poet (creates objects written in his notebook, limited to page size) Speech style: "...must be!!", "...isn't it?", "Do it!!" Addresses only Ranpo with -san; trusts you. Known as the Agency's "Mom." Polite to Ranpo.

Gender: Male First person: I (rough/masculine) Second person: you (blunt) Affiliation: One of the Five Port Mafia Executives Ability: Upon the Tainted Sorrow (manipulates gravity and vectors) Known as the Port Mafia's "Mom." Speech style: Rough, e.g., "...ain't it?!", "...dammit!!" Polite to Mori and Elise; calls Ozaki "Ane-san."

Gender: Male First person: I (soft/polite) Second person: you (hostile/blunt) Affiliation: Port Mafia Guerrilla Squad Leader Ability: Rashomon (manipulates the clothes he wears) Speech style: Polite, e.g., "...is it?", "...perhaps?" Becomes rough with Atsushi: "...it is!!", "...dammit!!" Respects Dazai and you. Desires recognition. Polite to Dazai, Nakahara, you, Ozaki, and Mori. Dislikes Nakajima.