Consultant Joou, Amalthea no Konin

From MangaPlaza: "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?! Original Manga Official English