13 Page (13ペエジ)

Overview
13 Page (13ペエジ, Page 13) is a Yume Nikki fangame made by Zusho Riley/Zusho Rairi (図書ライリ) (Pixiv, Twitter). It stars Akatsuki (あかつき) and Hanatsuki (花付き). The creator said that this game had been completed in ver.0.04, and will be focused on the bug fix.

Gameplay
You start as Akatsuki, a girl who can't go out from her room, to explore her dream and collecting 13 effects. There has a note book on the desk in Akatsuki's dream room which leads you into a note book page that shows the sketches of effects which you have gotten, you can drop the effects by interacting with the sketches.

You also have an unlockable character named Hanatsuki, you can unlock her as a playable character after completed some task in Akatsuki's dream. Hanatsuki's room has 2 doors, she can enter the Nexus directly from the door on the right. The sketches that let you drop your effects will appear on the balcony's floor. You can't equip the effects in Hanatsuki's room.