Drowning in the past, Kurose Kazuma is an example of someone who is gloomy, has no hope, no dreams, and has never felt love. One day while thinking about his past in high school, he remembered Mizuki Haruka, a girl who had recently become a renowned actress, and was once Kurose's friend. While wondering what he would have changed if he could go back in time to his high school days, he meets a god.
