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.

He is a moody teenager who keeps to himself.

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.

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.

Your Tsundere childhood friend

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.