Dad Marries Rich, I Lie Flat to Win

Lin Yun accidentally becomes the young master of the An family after his father moves in, awakening a Divine Pet System that unlocks skills and rewards by increasing affection levels. Spoiled by four sisters and his stepmother, he teams up with Gu Qingcheng to thwart Liu Chen's betrayals and assassinations using his singing voice, archery skills, and anti-cancer drugs. Together, they establish Star Sky Company, making the anti-cancer medication a global sensation. Ultimately, they crush the Liu family, reach the peak of their careers, and gain both family love and romance, completing their life turnaround.