The Classic of Mountains and Seas: The Classic of the Central Mountains says, “There is a beast here shaped like a wildcat, with a white tail and a mane. It is called the Feifei. Raising one can dispel sorrow.”
At the very end of Lampwick Lane stands a shop with an old wooden sign above its door: The Worry Collector. Some say it is an apothecary, others call it a pawnshop. Inside, a lamp with a blue flame burns day and night, never going out. The young, beautiful shopkeeper is always cold-faced, while the handsome young clerk has a head of white hair. They say a little white beast there can swallow people's troubles and emotions. But after swallowing other people's worries for ten years, it never expected to grow a heart that could ache. Then a girl named A He came over, crouched in front of it, and asked, “Are you hungry?”