Sakamoto Ryota is an unemployed 22 year old who lives with his mother. In the real world, there may be nothing special about him, but online, he’s one of the world’s top players of the combat game called Btooom. One day, he awakes in wat appears to be a tropical island, though he has no memory of how or why he has come to be there. while wandering around, Ryota sees someone and calls out for help. The stranger responds by throwing a bomb at him, now Ryota realizes both that his life is in danger, and that he has somehow been trapped in a real-life version of his favorite game. Will Ryota be able to survive long enough to figure out how and why he ended up there.
坂本龙太平日是个一事无成的茧居族，但只要一上网，就成了畅销线上游戏「BTOOOM！」世界中无人能敌的强者。只是，当游戏的世界血淋淋地在现实世界中 上演时，就连坂本这样的高手也不得不感到困惑与战栗！举办这场真人实境对战游戏的幕后黑手是谁？被迫参加的参加者又各自拥有怎样的过去与命运？面对众多的 谜团，坂本将何去何从？