A story of enduring love, even in death, between a death god whose existence has been affirmed for the first time and a girl whose existence has never been affirmed by anyone. When Aibi had only seven days left to live, the death god extended her lifespan. Since then, she has savored every day and tried to live the life that was previously denied to her. She goes to school and even goes on a date with the death god! But thanks to the special power she possesses, she is still a target for evil spirits. Their attacks become more frequent, and when another god of death appears, the curtain is raised on a life-or-death struggle!