Foiled by a hero when he’s inches away from conquering the world, the devil finds himself in modern-day Tokyo. With no real-world skills to speak of, the devil is forced to make ends meet flipping burgers at a fast food joint! To stall any further plans of world domination, the hero tracks the devil’s trail and takes on the lowly tasks of a telemarketer.
Keita Amano is a perfectly mediocre loner with no particular distinguishing features other than his love for games. One day, his school's prettiest girl and Gamer Club President Karen Tendo suddenly calls out to him. That moment changes Keita's life forever, as he now finds himself in the midst of a romcom with beautiful girl gamers... or, well, that's how it usually goes. Not with him, however.
Yuki Takeya, Kurumi Ebisuzawa, Yuri Wakasa, and Miki Naoki decide to stay over at school. Along with the school adviser Megumi Sakura, they suddenly find themselves to be the final survivors of a zombie attack, and continue to live and survive at the school.
