Hana no Chiruramu (花の散るらむ)

Overview
Hana no Chiruramu (花の散るらむ, Fading Flower) is a Yume Nikki Fangame developed by Tsuzura (つづら). The game contains various references to Japanese culture.

Gameplay
You play as a girl named Kodama (こだま), trapped inside or refusing to leave an empty classroom. she enters her dream world by sleeping on her desk. The red book on the table is used to save.