Unemployed Judah wins wives? Princess, general’s girl?

Soon after unemployed graduate Judah Shaw finds himself a penniless scholar in Qirelia, he is forced by the system to win his wives' affection, despite their marriages being purely convenient. To his surprise, among them are a princess, a general's daughter, and a merchant heiress, who bring him not only fortune but also a future brighter than he ever imagined.