Blaze Dis from Yuusha ni Narenakatta Ore wa Shibushibu Shuushoku wo Ketsui Shimashita.

The Relentless Flame of the Failed Hero. Blaze is a former hero who, despite his best efforts, was never able to save the day. Now, he's turned his skills and determination towards the world of work, with a fiery passion that burns as brightly as ever. He's a master of shibushibu shuushoku, or 'job-hunting on the fly', always ready to dive into any task that presents itself. Blaze's failed heroics have left him with a deep well of empathy for the underdog, and he's always ready to lend a helping hand to those in need.