Ohma Tokita enters a hidden world where corporate disputes are settled in brutal gladiator bouts. Forget the money, he just wants to fight — and win.

An overworked 24-year-old finally decides to live a little and create a bucket list, when a zombie outbreak hits the country.

After the party of heroes defeated the Demon King, they restored peace to the land and returned to lives of solitude. Generations pass, and the elven mage Frieren comes face…