After My Father Had a Fake Marriage, My Sister Spoiled Me Addictively

When his father got married for the second time, Zhang Yu accidentally broke into the rich stepmother's house and gained five beautiful sisters. At the beginning, he was squeezed out by his sisters, and his favorability value fell below the negative value. It was also bound to the "Infinite Lucky Card System". By increasing the favorability value, you can draw skills and make a lot of money. From giving top-notch gifts to gain favor, to using card skills to counterattack the business world and tearing apart villains, he uncovered the secret of a fake marriage while protecting each other with his sisters, and also gained sincere family love. In this cohabitation life full of surprises and reversals, see how an ordinary boy relies on the system and his sisters to cheat and counterattack and become a winner in life!