Musuu

About

Musuu is a traditional Yume Niki fangame. It stars Rei, a boy refusing to leave his room. Inside the bedroom, you can either save at the desk, turn a space heater on or off, or sleep in the bed to enter the dream world. Uniquely, effects are referred to as Numbers, and allow the main character to match the appearance of the NPC the effect's collected from.

Source: IGDB