“This is crazy.” The first prince and his fiancée, the daughter of a count, attend the Royal Academy. Two people of noble status who were engaged when they were children. However, because of Lilith's modest personality, she is often ridiculed and looked down upon as the Iron Masked Lady by those around her. While everyone is aiming to be the prince's fiancée, Lilith is given secret training by the prince to become his secret queen. To the yandere prince Finn who wants to make it his own. A body that is gradually being remade. It's such a pleasure that even your thoughts are rewritten. Will she be destroyed by Huynh's obsession and love's limit of sex? Or...?