Aka：21世纪大君夫人 / 21 世紀大君夫人 / 21世紀大君夫人 / A Coroa Perfeita / 21世紀の大君夫人 / La corona perfecta / Дружина принца XXI століття / รักนี้มงลง / التاج المثالي / 21 වන සියවසේ කුමරුගේ බිරුඳ / Perfect Crown / Phu Nhân Đại Quân Thế Kỷ 21 / Перфектната корона
Summary：In a modern Korea with a constitutional monarchy, a Chaebol heiress and a powerless prince enter a contract marriage, discovering love and courage as they confront social barriers and personal scars.
