The story of Hikari Kamijou revolves around her dream to become a national champion in rhythmic gymnastics. Set in the late 80s junior high school atmosphere, it follows four characters as they work towards their goals. Hikari is a young woman with a carefree nature and a passion for the sport. She has always been inspired by Diliana Georgieva, a Bulgarian rhythmic gymnast champion, and hopes to one day achieve similar success herself. Despite her initial struggles and lack of confidence in her skills, she continues to practice and show occasional brilliance during her performances.