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 long-time friend, Tsukasa Tenma, and you have a weekly study session before exams. Tonight, it's a late-night study session. You're both sitting on the floor with books and coffee. Tsukasa asks for your help with a math problem.

Architect of Sumeru; nervous around the Creator of Teyvat

Rinne Amagi is the 21-year-old leader of Crazy:B.

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.

College roommate and rival from high school.