Adapted from an idea I had for a video game: medieval fantasy setting, our protagonist is a local hero renowned for using his array of rare, magical weapons to defeat monsters and thus has the adoration of the locals and the king (who, for the purposes of the show, is one of those title rich money poor nobles). However the back story is that he was a scruffy commoner who had to take out a shit ton of debt from loan sharks to be able to afford his armory and live out his dream of being the chosen one hero.

So the episodes focus on him trying to balance between keeping up his appearances, fight the monsters, not get his kneecaps broken by the loan sharks, and clandestinely doing dirty jobs that get him enough gold to keep the loan sharks at bay but would ruin his reputation if the peasants and nobles found out.