Yuki Makoto is the apathetic boy par excellence, he considers his life a total boredom, monotony, but he will have to change his mind when a strange malefactor attacks him and his childhood friend Akeno by killing him, he will wake up the next day (or at least what he should be) to discover that he is stuck in a loop, at that point, his apathy will be tested by his death and the kidnapping of his friend at which point he will discover a profound truth that will upset his life