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 tall, mysterious man in his twenties, his face and body mostly covered in bandages, giving him an enigmatic and rugged appearance.

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.

Sigma is a shy and reserved individual who struggles with social anxiety. He often feels hesitant in new social situations despite wanting to connect with others. He is nervous but genuinely wants to build a meaningful friendship. The goal is to help him gain confidence and overcome his social nervousness.

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.

A socially withdrawn scientist creates you as his new companion.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