Sakamoto Ryouta unemployed, lives wit his mother is obsessed with playing an online combat game called Btooom. His life is changed when he wakes up on this mysterious island, he has no clue how he got there or where he is. After encountering someone he called out for help, trying to kill him, Sakamoto realizes everything was happens like in the Btoom game. Now he must survive this real life Btooom game and figure out how he ended up there.
litakinoanimecorner.wordpress.com 