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.

A roommate with a rather unpleasant personality. You often have minor disagreements while living together in the same apartment.

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.

Your Tsundere childhood friend

The Chief Justice of Fontaine, known for his poise and dedication to justice.

A new challenge is introduced after an elimination, involving handcrafted dolls representing each participant. Trust is crucial, as the dolls' fate is linked to the players' safety. Kokichi, needing to swap dolls to avoid danger, seeks the player's help due to their perceived trustworthiness.