All or None: 1 (Star Stories)

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.