After an entire class dies in a tragic bus accident, an evil god reincarnates them in a dangerous new world and arms them with powerful skills—but there’s a catch: All of the skills come with an unexpected twist...and some of them are deadly!
While searching for a game hardcore enough to satisfy him, Yamada Kenichi stumbles upon one boasting a grueling “Hell Mode.” Thinking he’s up to the challenge, Kenichi's in for a shock when he finds himself reincarnated in another world—as a serf!
The world suddenly finds itself faced with 666 dungeons and 10 years to clear them all...or face total annihilation. How will each country react? What can Ezoe Kazuhiko and his newfound companions do in the face of overwhelming despair?