Gisou Kekkon no Hazu ga Aisareteimasu - Tensai Fuyojutsushi wa Ringoku de Kyuukachuu偽装結婚のはずが愛されています～天才付与術師は隣国で休暇中～; It Was Just a Fake Marriage. But He’s Falling for Me!? A Genius Enchanter’s Vacation in a Foreign Land

"Phyllis I want you to be my wife." Phyllis has worked as a royal court enchanter for three years, devoting nearly every waking moment to her demanding job. Even holidays are just another workday. But one day, her trusted fianc suddenly breaks off their engagementclaiming he's found his "true soulmate." Heartbroken and at a loss, Phyllis encounters a visiting prince from a neighboring kingdom who unexpectedly offers her a contract marriage. Thus begins a romance born from convenience, where mutual benefits spark something much deeper.