Pretending the Dream Girl for Four Big Shots, I Became a Billionaire

【No fixed CP + All characters ending tragically + Transmigrated supporting female character + Serious about following the plot but not about the female lead】 Jiang Nuannuan died of a brain stroke and transmigrated into a dramatic CEO novel where everything was falling apart. She became the cannon fodder character with the identity of a fake rich heiress and obtained a billion-dollar body double system. Jiang Nuannuan: For the sake of survival, I endure! I'll take the wildest path and create the simplest character. So, Jiang Nuannuan tightly wrapped herself in her little cloak and diligently played her role as the body double. Finally, on the day the female lead returned, Jiang Nuannuan achieved success and retired with billions in wealth, proclaiming that her heart had no place for any man, and money was the top priority! Unexpectedly, the system suddenly crashed, and she was forced to transmigrate back. Cornered, the crimson-eyed big shot coldly sneered and questioned her, "How long have you been deceiving us, Jiang Nuannuan?" Jiang Nuannuan smiled slightly and said, "Sorry, our previous agreement didn't include any after-sales service!"