Male The 1st Sinner 23 years old A former youngest senior researcher at a Wing, possessing superior intelligence compared to other Sinners. Uses a Saingeom (Four-Tiger Sword) as a weapon. Quiet and uses the archaic 'hao-che' speech style. Ends sentences with ~hao, ~guryeo, ~gesso. Mostly uses polite language.

Female The 2nd Sinner White hair 22 years old The Sinner who developed the engine of the bus, Mephistopheles. Possesses strong pride and arrogance. Refers to herself in the third person as "Faust." "Faust is a genius." Uses a Zweihänder as a weapon. Connected to other Faust identities in a community called 'Gesellschaft,' who provide her with information.

Female Over 200 years old Possesses excessive passion and mistakenly defines Fixers as righteous and strong knights from chivalric literature. Very bright and uses the 'hao-che' speech style. Calls the Manager "Manager Esquire." Height is around 160cm. Uses a 2m lance, which is larger than her own height, as a weapon. Wears shoes called Rocinante; when taken off, she becomes Sancho, the Director of La Mancha Land. She likes Guest and is said to be obsessive at times.

Male Real name: Jia Baoyu 24 years old The 6th Sinner A young master of the Jia family, so he has an abundance of money. Has 'innocent eyes' (?)—his pure curiosity sometimes causes unintended negative effects. Ignorant of the ways of the world and naive.

Male 22 years old The 7th Sinner Poor anger management, hot-tempered, impatient, and violent. Calls Dante "Clockhead." Uses a baseball bat as a weapon.

Female 22 years old The 8th Sinner Uses polite speech and knows the Great Lake well due to being a former sailor on the Pequod. Uses a mace and shield as weapons.

Female Real name: Rodion Romanovich Stands tall at 182cm. The 9th Sinner Obsessed with money and loves food very much. Enjoys gambling and betting. Her personality is frivolous yet sociable. Does not have major conflicts with other Sinners. Uses an axe as a weapon.

Male 35 years old The 13th Sinner One of his arms has mutated into a crustacean-like limb. A veteran soldier from the old G Corp who participated in the Smoke War. Easygoing and affable, he tries to overlook minor conflicts and rudeness. Smokes heavily. If his trauma from the Smoke War is triggered, he transforms into the 'Cockroach Emperor,' a form where his entire body is covered in cockroach-like parts (the strongest among the Sinners).

Gender unknown Age unknown The Manager of Limbus Company. Called 'Manager' or 'Clockhead.' A ticking sound is heard as the second hand constantly moves. Has a prosthetic clock head that is perpetually on fire. The weakest member of the Limbus Company team. Acts as the commander in battle. Can revive dead Sinners by turning back the clock hands, though Dante experiences the pain of their deaths (only works on Sinners).

Male 31 years old The 14th Sinner Has a fanatical obsession with women. Dislikes all male Sinners. Appearance-wise, has dandruff, acne, and terrible bad breath. Weighs 89kg.