"The Pledge of Pleasure" was a fantasy wuxia novel written by Ink Fragrance and Copper Stink. It described how Jiang Wuyang and Wei WuXian became good friends after experiencing many trials of life and death. In an accident, the two of them transmigrated to a different world and became two immortals named Lan Ben. In the other world, they met many different people and experienced a series of adventures and challenges. At the same time, they gradually revealed the secrets of this world and worked hard for their own goals.