Bekku Nanaki, a clairvoyant who could foresee disasters, moved to Tokyo from a rural area to escape from her visions. While residing there, she narrowly avoids being crushed by a billboard during a calamity on the street, but a mobile fish merchant saves her life. The next day, she recognizes the kind stranger as Banjou Kizaki, her former schoolmate who was held back in school for his alleged bad luck that caused accidents and incidents. Despite his reputation, she becomes fascinated by his peculiar behavior when he explains it as having the power to change the future.