In a world where everyone has a soulmate, uniquely powerful mage Royiora and reluctant assassin Kalo collide in the worst of ways.Royiora Daralkaen, the only mage alive able to use all five kinds of magic, has a near idyllic childhood in the country of Porescalia - before war breaks out with their antagonistic neighbors, Kloria.Kalo Porla, a naturally magic-proof individual known as a Null, is trained to be as an assassin by the authoritarian empire known as the Domain.When Kalo and his partner assassin are sent to kill a mage and his apprentice, it starts a journey neither man was prepared to begin.Content warnings: harm to children, physical and psychological abuse, implied (off-page) rape, violence, mature language, minors in implied sexual situations (teenaged romance), implied sexual situations, bigotry towards fictional races, and suggestive language.