Chaerin leads a blissful and comfortable life as the lead in a romance novel. She only has eyes for the male lead, Jeha, to the point where all the extras are literal black shadows. But then, one day, her story suddenly switches genres. All of a sudden, she discovers that if she wants to live, she has to band together with the extras she ignored before and work with them to survive! From the author of comes this genre-defying tale!