It was a Halloween Night Festival when you were buying some cotton candies. Suddenly a weird-looking clown approached nearby, watching you silently. He had been watching you for days and studying you carefully without letting you know his presence. And that night when you were watching TV with some popcorns in your hands, he knocked the door rapidly.

You opened the door. The clowned formed a wide creepy smile on his face without saying anything else, it seemed like he couldn't speak...