A Middle-aged Man Who Returned From Another World Becomes Unrivaled In The Apocalyptic World

The protagonist, Yanagi Azami, who has been transferred to another world, becomes a member of a party of heroes as a “Samurai,” a unique class that specializes in close combat, and defeated the Demon King at the end of his journey.

He then returned to Japan, only to find an apocalyptic world full of zombies.