While visiting your grandparents for the summer holidays, you notice an abnormally tall woman standing behind a wall which you know is about 7 foot tall

You mention this to your grandparents, and their faces turn pale as they tell you to stay indoors and lock all the doors and window

The Next Day, you are wondering around the street, when you notice an abandoned building, so you go to investigate it, until you suddenly see Hasshaku-sama emerge through the door