Madoro-Mu (まどろ夢)/guide

Effects
In Ver.0.07, there're 7 effects to found and no ending yet.

Rabbit
Blue Window → Clover World → enter the flower gate → Flower Garden → interact with the rabbit.

Pudding
Blue Window → Giant Garden → go between the lolipops → Dessert World → interact with the pudding.

Mermaid
Blue Window → Clover World → go between the clovers → enter the gate on the top → Cloud World → go under the Torii → Matsuri World → interact with the fish in the stand.

Angler Fish
Yellow Window → Ocean Floor → interact with the Angler Fish.

Sickle
It's better to have Angler Fish effect first.

Yellow Window → Dark World → interact with the sickle.

Hydrangeas
Yellow Window → Music World → enter the gate → Lilypad World → interact with the Hydrangeas.

Uniform
Blue Window → Sky Garden → School → find the cloth stand in a classroom.

Ver.0.06's Effects
There are 3 old effects that can only be found in Ver.0.06, the red window will open when you obtain the seven effects that can be reached through the other two windows (Rabbit, Pudding, Mermaid, Angler Fish, Sickle, Hydrangeas and Surgical Mask).

Surgical Mask
You can get the surgical mask by interacting with the lone nurse in the hospital area.

Rokurokubi (Floating Head)
Found in the endgame. Interact with the headless person in the red door, then enter the green Uboa's 'mouth'. Walk up the red carpet to the headless princess and you will receive the effect.

Steering Wheel
Red window → Black door → Signals World → Stop Sign → Car.