Because while Fino Bloodstone is ready, eager and willing to please, she’s also the daughter of the now-deceased Demon King!
Sentai Filmworks brought out their release of I couldn’t become a hero, so I reluctantly decided to get a job on DVD and Blu-ray back on November 18th, 2014 but the show predates their YouTube channel I think and they never added the trailer streaming.
I Couldn't Become a Hero, So I Reluctantly Decided to Get a Job. Official Trailer