Lu Yin traveled through time and became a tiger. Fortunately, there was an external gourd in his body that could swallow up merits. It fed on merits and could vomit out all things. From then on, he defeated the ghost king and slayed the demon dragon without any hindrance. But he suddenly learned about the journey to the west, and then he realized it. , the calamity of killing has come, in order to get rid of the calamity, Lu Yin decided to join the Heavenly Court and strive to change from a chess piece to a chess player. This book is also known as "I Mixed in the Heavenly Court", "The Justice Tiger in the Heavenly Court" and "The Only Conscience of the Demon World"