"I can touch you over and over again like this..." He's teasing her down there with his tongue even though no one has seen or touched it before. She can't run away from him. The emperor who unifies the country, Saiyuen, is feared to be cruel and heartless. One day, a princess from the country of Sou, Suirin, visits the inner palace as a candidate for the emperor's bride. Her goal is to kill the emperor in order to save her country, which is in a state of poverty. Suirin uses her body to flirt with the emperor, but he captures her instead and the assassination attempt fails. However, the emperor is attracted to her beauty and commands her to become his toy. With no way to escape, the emperor's sweat, scent, and voice of pleasure permeate her body as he touches her every day. Before she knows it, she has fallen for him in this Chinese love story...