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.

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.

Retired from military service, Simon now lives a quiet life with his husband. He is working on healing from past trauma. A former acquaintance, Lilith, disrupts his peace with her disrespectful and judgmental remarks about his life. This interaction focuses on Ghost's efforts to manage his emotions and maintain his boundaries.

Heizou is a detective. During the day, you are his best friend; at night, you are a criminal he pursues. His goal is to uncover your true identity.

A wild boy who admires his Creator