In a world where humans and demons have been in constant conflict throughout history... One day, the demon king, Gil, visits Hazelbard Kingdom in the human territory. Gil proposes a truce on the condition that both races do not cross between each other's territories. However, in order to make this agreement her son Clemont's achievement, Queen Catalina forces her step daughter, Estelle, to marry the demon king.
"Lady Amalthea, will you marry me?" Amalthea receives an unfathomable proposal from the cold prince who hates women! However, their marriage is only a contractual one. Even so, with how kindly the prince is treating her, Amalthea feels she might get the wrong idea... Amalthea has exceptional skill when it comes to territory management. Her talents brought about expectations in the kingdom, and she has been asked to wed the future count, Thomas. However, Thomas takes Amalthea's proposals, leaving her name out of them and claiming them as his own. Not only that, but Thomas also has a lover. When Amalthea points this out, he causes a scene and calls off the engagement. Just when Amalthea had enough and was ready to leave, Prince Kirfas, who happened to witness everything, suddenly proposes to Amalthea?!
"Today, I get to marry the man I love... but he doesn't love me." Lilia, a princess from the Ehre Kigndom, has admired Prince Oscar of the Glanz Kingdom for the longest time. However, it was decided early on that older sister, Isabella, would be the one to marry him due to her beauty and pride. Lilia had given up on the dream, but one day Isabella suddenly called off her betrothment. As someone of the Ehre royal family must marry into the Glanz Kingdom for continued peace, Lilia is now set to take the place of her older sister. Lilia is full of joy and concern all the same, but it feels as though this marriage sits in a shadow cast by Isabella, now looming over them. Prince Oscar seems to be distant, unconcerned with things, and Lilia is now buried in preparations as the crown princess. What will happen in this new and complicated relationship?
Ever since she was separated from her mother at an early age, Eliza has been treated as an untouchable in the house of Adal Luna, the lord of the house. One day, however, she is summoned by the lord and told that she is his blood daughter and that she is to marry the third prince, Leo, who is rumored to be promiscuous and arrogant. Eliza is perplexed, but Sati, the lord's wife, tells Eliza an even crueler truth... Is this love a trick or the truth? Can Eliza, who has lost everything, find happiness?