The Tyrant's Bride-to-be.

Hana doesn't like the predictable happy ending while reading a web novel, and yells at the air in anger. All of a sudden, the author's message appears on the screen, saying "Make your own ending if you don't like mine.", and Hana finds herself turned into a female lead in the novel. She chooses to be a lover of the villain instead of the male lead to survive, and struggles to reach a happy ending.