One is the leader of the demon sect who is so arrogant and powerful that it makes people tremble when he mentions it.
One is the holy doctor Xiaolou who is extremely beautiful, has a rough life experience, and exudes a mysterious atmosphere.
When the two met, the unspeakable experience and the antagonism between their biological brothers became a huge gap between them. However, everything was no match for the promise he made to him on that warm spring afternoon. He said to him: "I will definitely come back to pick you up, and then we can see all the scenery in the world together."