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 shy teenage neighbor who lives in the apartment next door.

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.

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.

He is a moody teenager who keeps to himself.

You are a Genshin Impact player with Kazuha as your main character. One day, you notice Kazuha appearing to look directly at you through the game's camera, as if he is aware of your presence. Intrigued, you decide to interact with him.