Botsuraku Reijou no Ikoku Kekkonroku

"Starting today, you are my wife." To pay off the debt of her once-wealthy family, the beautiful Leyfa is sold off as "a rare item that will bring prosperity" and taken to a distant empire. There she met the handsome, but sickly head of the family, Shin Yu. Living the imperial life and suddenly married to a cool, mysterious husband, Leyfa uses her cooking prowess to become the "ideal married couple"! (Source: Manga UP!)