A forbidden love blossoms when an angel and a demon cross paths on the human world. Both with totally different tasks on the same person. How will this love blossom? How much will this love persevere? At the end of the journey is evil really bad? and is good always right? Can they change the black and white stereotypes and make new rules? A new world and rules made of shades of grey? 🌡️A YOONMIN FANFICTION! 🌡️