I fell inlove with the villain

Solar is one of the famous Writer in South Korea. She is the author of the popular novel series, 'Romance & Mystery'. When she decided to end her story, her younger sister Wheein was abducted by a mysterious person.

Solar searched for her younger sister. However, she found out that the person who kidnapped her sister was a character she created on her story. It's too late when Solar figured it out that her story, Romance & Mystery turned out to be a real life action, and she was part of her own story.