Grey4
Adept
image has been magnified but this substance was in my room carpet, and my shelf and items that was in that shelf but upper items seem to be fine while those that was lower parts has stains like somthing would have look my stuff and put them back plastic in image is one of my game and before asking no we dont have any pets and its not possible animals from outside get inside fourth floor locked doors and windows and there arent any stains before that morning i have scratch my head this one and dont have explanation or idea what leave these behind or what that substance is