Mixed Martial Arts Villain: Wife, Let Me Take Care Of You

This is a cool novel about an invincible villain. In the beginning, the county guard harms Huang Rong with the combination of yin and yang. When Huang Rong escapes from the poison, she meets the protagonist by chance. The protagonist was forced to lose his virginity. Huang Rong wanted to kill the protagonist, but by mistake she became his mistress. The protagonist and his wife defeated the Mongolian army's blockade and returned to Xiangyang, and then went north with his wife. First, he outsmarted Xiao Longnu's Jade Girl Heart Sutra, and then defeated Zhao Min's conspiracy. He learned the secret knowledge in Wang Yuyan's Langhuan Jade Cave, and opened the way to dominate the world.
The protagonist's creed is: kill those who are dissatisfied, and everyone who likes them will come into the bowl, and no one can escape.
The book includes The Legend of Heaven and the Sword of the Dragon, The Legend of the Condor Heroes, The Swordsman, The Eight Parts of the Dragon, etc.