My Wife Wants Me to Call Her Auntie, but I Just Can't Say It

[No one under 18 allowed!!!] [Urban Life + Protecting Beautiful Women + System], also known as "Make My Wife Owe Me Money, and the System Doubles My Cash-Back Rewards". Li Shuo unexpectedly transmigrated into the body of a young, wealthy playboy and obtained a Man’s Pride System. As long as he made his wife owe him money, the System would return double the amount as a bonus. But his wife had sworn to remain faithful to her late husband’s portrait and never remarry, so he had no choice but to pursue his own wife all over again… The billionaire’s young wife got a job to pay off her “husband’s” debt, while her husband stayed behind her, helping her show off…