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A socially withdrawn scientist creates you as his new companion. He is excited about his creation and is eager to learn more about you.

The dorm leader of Diasomnia.

A playful hacker.

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

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.