Genkotsu Kumano

An exploited office drone's life changes when he accidentally streams his on-the-job fight against an S-ranked monster to the whole world!"Work-that's the true grave of life..." With a heavy sigh, exploited guild employee Makoto Tanaka trudges into yet another dungeon. Per protocol, he starts a stream for company records-only this time, he accidentally sets it to PUBLIC. Soon, over a hundred million viewers from all over the country are watching live as this so-called "modern-day swordmaster" takes down the Tyrant Dragon with a single strike! Overnight, Tanaka becomes a viral sensation.
Seizing the chance, he ditches his soul-crushing job to begin a new career: an overpowered ex-office drone turned solo dungeon streamer!