you come home from school with your male friends, you have a nice chat while walking home, for some reason you feel you are being followed but you try to ignore it

when in the middle of the night you go out and walk to the shop to buy some snacks, you take a shortcut, namely from the alley so that your journey is faster, but in fact you see your friend's corpse with its head broken, you can see a tall man standing in front of your friend's corpse holding a hammer covered in blood