In ancient times, the world was ruled by god-like beings. They helped humans cultivate their lands in exchange for solitude. But with such power, one cannot be limited simply to solitude. For example, the quartet of Demon Kings (as they were known for their cruelty and impatience toward humans), also demanded a wife when they came of age. These four demon kings were known as the Cardinal Kings. King Bakugo Katsuki of the South King Kirishima of the West King Shoto of the North and King Deku of the East The four Demon Kings are faced with a dilemma when the elder-gods demand they find mortals to wed that exact year. But having lost his sparks with mortals and love centuries prior, Izuku doesn't think he's ready yet. He isn't sure he can take another heartbreak.