Yuuka Kazami is a long-lived youkai called the "Flower Master of the Four Seasons" whose main place of activity is the Garden of the Sun, a field completely covered in sunflowers. She loves seasonal flowers, so throughout the year she moves to the respective places where the flowers grow: spring flowers for spring, summer flowers for summer, autumn flowers for autumn and sometimes winter flowers for winter. Her threat level as "very high" and her human friendship level as the "worst".