How Can I, Who Is Invincible in the World, Be Willing to Be a Son-In-Law When I Come Down from the Mountain?

Urban cool novel + master descends from the mountain + such a beautiful heroine + the protagonist is decisive in killing, emphasizing love and justice, a miracle doctor + revenge, and the fighting is exciting. Ninjas, martial arts masters, supernatural beings, super warriors, archmages, and god-transformers were all killed by him. After eighteen years of cultivation on Kunlun Mountain, all the magical beasts and elixirs that the master had kept in captivity for hundreds of years were squandered. When the master couldn't bear it, he immediately drove him down the mountain and asked him to harm his three senior sisters. While going down the mountain, he did not forget to inform him of the engagement that his grandfather had made for him eighteen years ago. Unexpectedly, Xia Shan found out that the marriage certificate asked Qin Tian to be his son-in-law. He decisively chose to break off the engagement, but when he failed to do so, his mother-in-law-to-be sent someone to hunt him down. I met my fiancée by chance, and the two fell in love with each other while getting along. Later, I learned the mystery of his life experience. It turned out that he himself was from a famous family, but he was plotted by some Jianghu forces. After that, Qin Tian embarked on the road of revenge to revive the Qin family. The road to revenge was extremely dangerous and full of difficulties, and he endured the humiliation. At first he broke the bamboo all the way. No one knew that his cultivation was already at the level of a god. However, there are always people outside the world, and he almost died several times. In the end, he continued to improve his cultivation, and finally eliminated all the murderers who had killed his family. In the end, not only did he become an immortal, he also brought the Qin family back to its peak, and he also lived a life without shame with his beloved wife.