Lu Chen, the "Shadow" undercover agent of Fuyun Division, was cursed by black fire for destroying the demon sect's divine spell, and his cultivation was completely destroyed. After ten years of living in exile and seclusion, Master Tian Lan appeared again and gave Lu Chen the task of going to the Kunlun Sect to find the undercover demon sect. In order to repair the damaged Five Elements God Disk, Lu Chen was ordered to become a hundred of the Kunlun Sect. A handyman disciple in the thatched cottage. In the process of carrying out the mission, he met many friends and the love of his life Yi Xin, and gradually felt the warmth of the world. At the same time, he touched on the secrets behind Kunlun from various clues, and discovered that the black dragon sealed in the Kunlun Forbidden Land was not an evil monster, but had always claimed to be for The righteous Tian Lan actually had other plans. After realizing the facts, Lu Chen was confused for a while. With Yi Xin's encouragement, he decided to face the past and no longer stick to the so-called distinction between good and evil, but to follow his heart and do the right thing.

The story centers on Nayu, a middle school girl who shocks her schoolmates on the first day of school by wearing black lace panties. She likes this kind of underwear, and she tries to "spread the word on the merits of [these kinds of] underwear" via an underwear club with her schoolmates, who are worried about their bodies' development and which underwear to choose.

Ling Tian, ​​a sword saint of his generation, went against the will of heaven to seize the stele in order to save his beloved, but was plotted against by the way of heaven. When he fell, he perished together with the way of heaven, but was unexpectedly reborn, returning to the moment of his death three hundred years ago when his dantian was completely destroyed and his sword bone was taken away. His beauty is still there, his old enemy is still there, and he has been on the long road to becoming a saint, so why not start over? In this life, he vows to rewrite his destiny and make up for his regrets!

Third season of .