Corallo

Overview
Corallo is a Yume Nikki fangame created by Rukomura. The game is underwater/ocean themed. It stars a disabled girl named Maya.

Gameplay
Corallo is a traditional fangame. Your main goal is to explore the dream world and collect effects. Interacting with the window allows you to enter the dream world. You save the game by interacting with your bedside drawer.

Plot
In the game you control Maya, a homesick wheelchair user. She cannot leave her room as her door is locked from the other side, implying that she may be stuck against her will. The only thing you can do is daydream.