Akira Tendo has spent three years working for a company that has drained him to the point of losing all joy in life. When a sudden outbreak turns the population into zombies, his first reaction is not fear but relief: he finally no longer has to go to work. Determined to enjoy whatever freedom he has left, Akira writes a list of one hundred things he wants to accomplish before becoming a zombie himself. Gradually joined by new companions, he travels through a collapsing Japan while trying to rediscover what truly makes life worth living, balancing survival, humor, and the desire to live to the fullest.