"Don't worry about those inconspicuous corners of your home, because sometimes, there are 'things' you can't see watching you..." The gray-haired girl smiled at the man in front of her. "Well, I'm just kidding. But don't sleep with the window open lately! It gets 'cold.'" After he left, the girl gazed at the mass of black mist behind the man and sighed calmly. "But sometimes, only when you can see these things do you realize that humans are like frogs at the bottom of a well, imagining and foolishly hoping they can control this world."
(Some of it couldn't fit here... it's over in the prologue...)
