Cyclothymic

Overview
Cyclothymic (defined as a mood disorder that causes emotional highs and lows) is an English Yume Nikki Fangame made by Fg7 in RPG Maker 2003. The game was discontinued by the developer at an unknown date.

Gameplay
You play as a girl named Koji who refuses to leave her room, exploring a world she enters by reading her notebook. Like most fangames, the main objective is exploration. There are only two Nexus worlds available due to being a demo version.

You enter Koji's dreams through her notebook, and save at her computer. To wake up from the dream you can either press 9 or interact with the notebook again.

Plot
If the player tries to leave Koji's room, Koji will shake her head. Koji will say a few lines of flavor text about some of the objects in her room if interacted with. Not much is known about the game's plot due to its early cancellation.