Hana no Chiruramu (花の散るらむ)

Overview
Hana no Chiruramu is a Yume Nikki Fangame developed by Tsudsura in RPG Maker 2000.

Gameplay
You start as a girl named Kodama (こだま) (Pixiv, tumblr) that enters her dream world by sleeping on her student desk in a classroom. You can save by interacting the red book on the table.

Version 0.00 (Japanese)
Official Site

Creator's blog on tumblr

Pixiv Post