Kazuya Soma, a Real Estate Marketing Planner, has died from overwork after a relentless cycle of overtime! When he wakes up, a woman claiming to be a God informs him that he died from exhaustion and that he is to become a Hero in another world.

The Continent of Calavir, his destination, has been conquered by the Demon King, leaving humanity crushed by despair— The ultimate corporate drone’s post-death profession: A Hero in another world! His mission: Defeat the Demon King!

Or so it was supposed to be…?

“My Lord Demon King. I, Soma the Hero, shall work for you like a slave for the rest of my life!”

Can the “Strongest Hero” actually manage to restore peace to the world?!