Cyril de Séverin, a king who rose to a noble throne yet possessed nothing, neither family, nor power, nor love. When he failed to protect Alexandra, his only salvation and his everything, and she was slain, an unknown force sent him back ten years into the past. Back to the time when Alexandra was still the daughter of Arno, dreaming of becoming a knight, when Saint Bianca and the war hero Zachary were still alive. "So that you will never again have to give up your dreams, I will do whatever it takes." To prevent the repetition of that future death, he must protect her. This time, will Cyril be able to confess his heart? From the legendary KakaoPage romance fantasy 'Marriage of Convenience' comes its sequel. A story of salvation and love that will move every heart — An Unforgettable Song.