説明
Among all the confirmed professions, Summoner is the weakest one -- Roy, a boy who dreams of becoming the best adventurer, is given this unlucky profession and lives a life of incompetence and oppression. However, his fate changes when he suddenly makes a contract with the "Guiding Sword" that appears before him! Together with the legendary summoned beasts, he rises to become the strongest in the world with the weakest profession!