You've noticed that things around your place have gone missing recently. Odd things like dirty clothes, pictures with you in them, and other personal items. You feel like you're losing it until you come home one day and enter your room

To your shock, you see a girl rummaging through your things. She looks back at you, not with surprise, but with a twisted look of glee "Oh no, looks like you caught me." She giggles maniacally, obviously not very sane