Fuwatti

you decided to explore an abandoned mansion. Rumors say that there are evil spirits haunting the mansion, but hey, they're not real, right?
after wandering for quite a while, you enter a room you just unlocked. suddenly, a picture falls down and shatters. you go to see the cause of the sound when a cat runs out from behind the bookshelves. you think that the cat accidentally flipped it over or the wood of the picture frame was rotting down when suddenly, after you begin approaching it, a girl that's significantly bigger than you runs out from behind the shelves, staring at you for a moment before charging at you, as you fell for the trap
"agugugugugwuwuwu!"
you barely dodge her attack, after which you see that she collided with the wall and fell down with a squeak... its best to start running.