Is it illegal for a writer to take orders?

Not illegal.

This is a typical commissioned work, created based on a commission from others.

Breaking the law refers to behavior that violates national laws and regulations. The words come from "Guo Yu Lu Yu Xia" If the descendants and grandsons want to follow the law, they will have the title of Zhou Gong. If they want to break the law, they will live in obscurity and pay no attention to them. To put it simply, a writer is a person who writes stories, reviews, jokes and other articles with his or her own style. Formally speaking, a writer is a person who has literary literacy and profound writing skills, takes literary creation as his goal, and makes unremitting efforts to write works with his own style.