The main character in the series is a high school student named Suzuna Kuraki. She comes from a family with Shinto ancestry and is being trained to become a priestess for her shrine. Despite appearing aristocratic, reserved, and fastidious, Suzuna is actually quite anxious and considerate. As per tradition, she will marry Koichi Hayama in an arranged marriage. Suzuna has a sister named Mizuna and is the daughter of Yuriko.