In the Kingdom of Lienrein, a person with memories from another world becomes a saint and queen. According to this rule, Iris, who has memories of a historian, marries the king for political reasons and is forced to live a life where she cannot feel the love of King Lienhardt. Furthermore, after Hina, who has been newly transferred from another world, appears, Lienhardt's feelings begin to lean towards Hina. One day, when Iris learns that the king spent the night with Hina, she finally makes up her mind. "I'm leaving here!" What will happen to the frustrating misunderstanding between the queen who is clumsy in love and the tsundere king? ?