After learning the world is set to end in a year, Momo Akasegawa could care less. But when she's approached by some individuals who claim they can save the world if she can convince them the world will suit their interests, she quickly finds herself at their mercy in hopes of somehow managing to convince one of them to save the world. But behind the scenes, something more sinister is at play. Just how far will Momo and the others go to try and save the world?