The Ordinary Mentor of a Beautiful Hero

A poor boy who has dreamed of becoming a knight since childhood and trained diligently has so little magic power that he cannot use magic. As a result, he has achieved the legendary record of failing the knight candidate exam three years in a row. When his childhood friend becomes a hero, the boy, born into poverty, becomes a knight candidate and the hero's mentor. How will an ordinary boy turn the tables with no talent for magic? Let's wait and see!