Don't Be the Ceo's Substitute Love

Gu Ziran didn't know how serious his brother's condition was. For the past two years, Guo Mingxuan had spent a lot of money to import drugs from abroad to support his brother's weak body. It was also for this reason that she endured the humiliation and was willing to be his lover. She had thought about giving up. But she can't lose her only relative in the world no matter what. Even if you have nothing, you still have to protect your brother, because after all, you owe him so much... Her parents died young in a car accident, and her brother has been both father and mother since she was five years old, working tirelessly to take care of her. At just fifteen years old, he has to shoulder a heavy burden and has to work part-time during the day and in a restaurant at night. Almost eaten at the end of the day...