[Sister-in-law + kung fu + invincibility + pretending to be a pig and eating the tiger]
Emperor Tianyun of the fairy world, who lived as long as the sky, was plotted against by his harem concubine, and his cultivation was banned. He rushed out of the mansion, but was ambushed by his brothers who sympathized with each other. He died, but he did not expect to be reborn as a person with the same name and surname on the earth...
This man was the son-in-law of the Li family in Yanhai City. He was looked down upon, scorned and ridiculed, but his wife was kind to him.
In order to repay his wife, the protagonist starts practicing again and vows to make his wife the strongest woman in the world.
