"Absolutely no way to fall for this man! Why is he so unnecessarily beautiful and sweet?" Yoon-ji, entered the world of the novels that she used to write herself, and her pen name 'Marie', which only she knew, became the name everyone called her. While possessing a beautiful character's body, she dreams of a sweet romance, but she ends up getting entangled with the second prince, Enrique, who is destined to ruin her! "Where did I go wrong?!" A real different world survival romance!