Introduction to the Lonely Macaque: A long time ago, this monkey practiced with an elephant. At first, their bodies were black. As they continued to practice and gradually left the world, their bodies began to turn white little by little. Later, The monkey couldn't stand the temptation and stopped practicing, while the elephant kept moving forward. Finally, the elephant surpassed the monkey. In front of the gate of heaven, the elephant passed smoothly and its whole body turned white, while the monkey was half black and half Bai failed to enter heaven in the end and has been trapped here.