Esther, who works as a pharmacist, is stalked by Grayson, the son of a landowner, and is fed up with it every day. However, Grayson's fiancee Katia, who saw what was going on, became jealous and called her a "wicked woman." She was even falsely accused of poisoning and banished from the town where she grew up. Esther ended up wandering the forest with nothing but the clothes on her back, and was almost attacked by a wild dog when she was picked up by Rasilvisto, the king of a neighboring country who is feared for his ruthlessness...!? Furthermore, due to certain circumstances, she ends up pretending to be Rasilvisto's fiancee--!? A love fantasy that begins with the temporary favor of a girl who has been labeled a wicked woman and His Majesty, the most fearsome king who is rumored to be a ruthless beast!