Farewell

Overview
Farewell is a Yume Nikki fangame produced by Amata (アマタ).

Gameplay
You play as Relic, a girl that doesn't want to leave her room. You progress by collecting "Mementos" and "Flowers".

Effects
The effects in this game are called mementos. There are 21 in total.

To unlock the endings, however, you also need the 9 flowers you can find during the exploration.

Version 0.05+ (Japanese)
Official Site

Twitter

Version 0.05+ (Chinese)
Yumenikki.info Page