The original light novel that started the phenomenon! In this fantasy world, everything's a game--and these gamer siblings play to win! Meet Sora and Shiro, a brother and sister who are loser shut-ins by normal standards. But these siblings don't play by the rules of the "crappy game" that is average society. In the world of gaming, this genius pair reigns supreme, their invincible avatar so famous that it's the stuff of urban legend. So when a young boy calling himself God summons the siblings to a fantastic alternate world where war is forbidden and all conflicts--even those involving national borders--are decided by the outcome of games, Sora and Shiro have pretty much hit the jackpot. But they soon learn that in this world, humanity, cornered and outnumbered by other species, survives within the confines of one city. Will Sora and Shiro, two failures at life, turn out to be the saviors of mankind? Let the games begin...!

Social-phobic Sora and shut-in Shiro form a genius gamer sibling duo. The two find the world to be a lousy game...until someone claiming to be God transports them to a world where everything is decided by games! Will these two failures at life become the saviors of a strange, new world?

In the world of Disboard, everything is decided by games. Since arriving in this strange place, genius gamer siblings Sora and Shiro have risen to become king and queen of what's left of Disboard's humans. Their latest challenge is winning an unwinnable romance game against the races of Dhampir and Siren. To uncover the true strategy to beat this sadistic game of love, they head for the home of the angelic Flügel: the midair city of Avant Heim. But the Flügel are a hideously powerful race, created specifically to kill gods. Will things really go as planned?

Having been transported to the world of Disboard, where everything is decided by games, Sora and Shiro (who together form the unstoppable gamer team " ") are still winning. They've racked up an unbroken string of victories against opponents armed with all manner of magic and treachery. As the pair enjoy a well-deserved vacation in the Eastern Union, they're approached by a Dhampir named Plum. Sora and Shiro prepare for battle, but this game is one of the very few they haven't beaten and mastered--the game of love!

Before Sora and Shiro set foot on Disboard, there was another remarkable duo!! Tet, the One True God, takes a break to amuse himself among the mortals only to collapse on the streets of Elkia. When a familiar face finds him and lends a helping hand, the God of Play regales her with a tale from the Great War about a human man who challenged the world and a strange girl who sought to comprehend the human heart... Let the games begin!

IT'S A GAME OF LIFE AND DEATH BETWEEN THE GAMER SIBLINGS AND A GOD!Subsequent to the eternal Great War, Disboard-the world where everything is decided by games and wagers rather than violence-is born. But winners still trample losers, and the victims pile up. A young Shrine Maiden laughs at how nothing has changed... Sora and Shiro agree to a dice game in which the number of dice you have is determined by your age, but in a contest where all the players are pitted against one another and death hangs in the balance, will the sibling gamers survive or lose everything-including their lives?

Kaito Sena's life hasn't exactly been easy. Unfortunately for him, death isn't about to get any better. Summoned by none other than Elisabeth Le Fanu, the "Torture Princess," Kaito has to choose what he wants for his second life-be her butler, or die a long, painful death by torture. What is he to do but become her servant...and help her eliminate the fourteen ranked demons wreaking havoc in the world! See the original light novel come to life in this gritty manga adaptation!