Sieghart Saladin Greyrat. He is unemployed.

As a child, he yearned to become a champion of justice. To achieve that, he learned swordsmanship and grew strong. However, after venturing far from his hometown, he confronted reality and abandoned his dream. As he drifted through his listless days, a single boy became his friend...

This is the story of an unemployed man, who claims to be a champion of justice, and his journey to find his own path.

A spin-off of *Mushoku Tensei*.