My Lover Comes from Another World

She wrote about a male protagonist who traveled around the world. It turned out that the male protagonist had a high ideological consciousness and noticed that she was using her pen to control his destiny. He jumped out of the book and decided to kill her. Unexpectedly, he discovered that if she died, his world would collapse and cease to exist, so he had to protect her life. He also discovered that if her talent and aura disappeared, his world would collapse and cease to exist, so he had no choice but to take into account her life and her mood...