In the year 2006, Satoru Fujinuma is a 29-year-old struggling mangaka in Chiba who occasionally experiences a phenomenon he calls "Revival": when a fatal incident is about to occur near him, he is sent a few minutes back in time to prevent it. He uses this to save a boy from a runaway truck, though he is hospitalized for a few days as a result. As he recovers, his co-worker, Airi Katagiri, praises him for his life-saving efforts...