The Republic of San Magnolia has long been under attack from the neighboring Giadian Empire's army of unmanned drones known as the Legion. After years of painstaking research, the Republic finally developed autonomous drones of their own, turning the one-sided struggle into a war without casualties—or at least, that's what the government claims. In truth, there is no such thing as a bloodless war.

Kicked out by his family and wandering the streets, an unemployed 34-year-old shut-in thinks he’s hit rock-bottom—just as he’s hit and killed by a speeding truck! Awakening to find himself reborn as an infant in a world of swords and sorcery, but with the memories of his first life intact, Rudeus Greyrat is determined not to repeat his past mistakes. He’s going to make the most of this reincarnation as he sets off on the adventure of a second lifetime!

High above the blood- and mud-soaked trenches, a young girl pits herself against army mages in high stakes aerial duels with bullets, spells, and bayonets. Her name is Tanya Degurechaff and she is the Devil of the Rhine, one of the greatest soldiers the Empire has ever seen!

In the year 2022, gamers rejoice as Sword Art Online - a VRMMORPG (virtual reality massively multiplayer online role-playing game) like no other - debuts, allowing players to take full advantage of the ultimate in gaming technology: NerveGear, a system that allows users to completely immerse themselves in a wholly realistic gaming experience. But when the game goes live, the elation of the players quickly turns to horror as they discover that, for all its amazing features, SAO is missing one of the most basic functions of any MMORPG - a logout button.

I never believed in the whole “light at the end of the tunnel” folly where people, after having a near-death experience, would startle awake in a cold sweat exclaiming, “I saw the light!” But there I was, in this so-called “tunnel” facing a glaring light, when the last thing I remembered was sleeping in my room - the royal bed-chamber, as others called it. Had I died? If so, how? King Grey once benefited from unrivaled strength, wealth, and prestige in a world governed by martial ability but now finds himself reborn in a society dominated by magic.