After Twenty Years of Visiting My Son-In-Law, I Began to Wake Up!

After twenty years of being a door-to-door son-in-law, I was forced to kneel down to dogs, slapped in the face by my daughter, and used as a cash machine by my wife—until I found out that my daughter was not my biological child. At this time, the system awakened, Li Zheng was reborn, and all the villains were dealt with one by one! ! !