Why Doesn't the Second Male Lead Follow the Plot?

Lin Yuan is wearing a book! She was so miserable that she slipped into the novel she wrote and became the vicious yet beautiful heroine Song Yuan. I thought the world in the book would be the same as the novel I wrote. But why? This second male lead, Pei Xing, is completely different from what I wrote. Lin Yuan: "Pei Xing, please return my gentle and considerate Pei Xing!" Urgent! Urgent! Urgent! Waiting online! How can one survive safely under Pei Xing's hands? 1V1, double clean, ending HE Not black original male and female protagonist Purpose: Don't enter if you're afraid of monsters!