In 2026 AD, the Tianwai Circus was forced to disband due to revenue problems, and the chief animal trainer Xue Jiejie lost his job. Depressed, he planned to go on a trip to relax. During the trip, he accidentally entered a primitive forest, and unexpectedly started his dazzling life... After going through various hardships, he conquered all the animals and became the king of this forest, also known as the "King of Beasts."
