Higashima Asahi, 15 years old, is about to enter Nisaka High School. She was in the art club until junior high school, but she decided to join a sports club after entering high school. By chance, she heard a senior say, "The naginata is the American dream of high school clubs! Even people who are not good at sports can make a sensation across the country!" She was deeply moved and decided to join the naginata club. Although this put an end to her dream of pink youth, another passionate and joyful story is about to begin──!