Unlimited Cash Back: Start by Buying a Villa for Your Sister

After his parents died, Lin Fan was kicked out by his mean relatives and forced to live in a shared house with his five beautiful sisters. In order to raise money for his college tuition, his sisters scrimped and lived frugally. Seeing the sad looks of his sisters, Lin Fan unexpectedly awakened to the [Unlimited Spending Cashback System]! As long as you spend money, you can get ten times, a hundred times or even ten thousand times the legal critical strike cash back! "Ding! Clear the shopping cart for eldest sister, trigger a hundred times critical hit, and get a cashback of 100 million!" "Ding! Buy a top-notch laboratory for the second sister, trigger a thousand times critical hit, and get one billion in cash back!" While his sisters were still worrying about next month's rent, Lin Fan silently bought the most expensive villa in Jiangcheng worth 500 million yuan. Seeing his sisters who were so shocked that they were speechless, Lin Fan helplessly spread his hands: "Sisters, stop trying so hard, I am really already the richest man in the world!"