Tatoeba Ore ga, Champion kara Oujo no Himo ni Job Change Shita to shite.

Synopsis:

In a world where every human’s Profession is determined at birth, strength and status are decided by fate. Yet one man defied that system. Branded as [Unemployed], Fuuta refused to accept weakness as his destiny. Through relentless training and sheer determination, he rose to become a champion—proving that effort can surpass talent. But instead of praise, he was met with fear and rejection. Cast out and exiled despite his achievements, Fuuta is forced to wander alone. At the end of his journey, however, he discovers something unexpected—a new beginning that may redefine what it truly means to be strong in a world ruled by predetermined Professions.