Kyoto has become a city where humans and yokai openly coexist, and student Saki enjoys considerable popularity because she is a succubus with powerful charm magic. One classmate, Yuu Ashiya, is unusually resistant to her influence and therefore becomes the person she cannot easily understand or impress. When other supernatural girls also take an interest in him, Saki’s pride turns the situation into a rivalry that forces her to distinguish genuine affection from the magical attention she is accustomed to receiving.