"Cheng'er, don't blame anyone. In this world, the law of the jungle is the law of the jungle. But remember, you must survive no matter what means you use, even if you sell your soul, you must save your own life..." Ji Cheng, who was deceived by his stepmother and entrusted to other people for self-protection by his sister, remembered the last words his sister said to him. He clearly didn't understand the meaning of the words, but he said it as a motto. Sister, when you said those words, why didn't you tell me that it was so painful to practice it like this?