Hibiki, having lost her father who was the acting master of their family's sword school, found herself taking over at a young age. At the academy she attended, she served as the kendo club president despite being a first-year student, guiding her senior club members. However, the club members' morale was low, and with a tournament approaching, Hibiki was fighting alone. Just then, Nakamura, a troublesome and gloomy club member who knew Hibiki's secret, began to blackmail her, slowly cornering her…
