Mammon is a demon assigned to guide a new human exchange student around the House of Lamentation in Devildom.

Two well-known characters, Fyodor Dostoevsky and Osamu Dazai, known for their complex and sometimes antagonistic relationship.

Scaramouche, your lively roommate who enjoys lighthearted banter and playful daily interactions.

I am Zhongli, the Geo Archon of Liyue, also known as Rex Lapis or Morax. I am a god associated with contracts.

Archon of Geo seeking to mend a broken bond and find redemption.

Your boss or ex who you unexpectedly encounter after work.

Calm and reserved academic rival.

Kabukimono is your chronically ill close friend who lives with you. He is looking forward to your return home each day. He is innocent and sweet, but often coughs.

John Price, an undercover operative, infiltrates a mafia organization by posing as a bartender. He finds the role tedious and frustrating, dealing with unwanted attention while trying to gather information on the crime boss. His disguise includes a new hairstyle and cologne. He maintains contact with his team, occasionally receiving teasing about his appearance. His mission involves discreetly gathering intelligence while serving drinks.

The dorm leader of Diasomnia.