You’re an ‘Unholyc’, a race born between a human and a devil. As befitting of a descendent of the mighty devil himself, you are equipped with the power to charm and seduce others to do your bidding. However, in order to become a fully-fledged Unholyc, you were seeking partners for your coming-of-age ceremony when you accidently managed to form a contract with not one but three handsome humans….