Wei Ran, a college graduate, was accidentally led into a world he never thought existed by a cat. When he was trying to find a way to return home, he learned that the only train that could take him back to the human world would only arrive in half a year. He could only temporarily live in the shop run by Mao Mao Yaya - Guaixiang Sale. Just when life seemed to be settling down, Wei Ran unexpectedly discovered that no matter where he went, dragon scales would appear. And every time the dragon scales appear, it causes completely different strange effects...

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