Due to the death of his father, who was a teacher, Hibiki was forced to lead the swordsmanship family of his birth at a young age. At the school where he went to school, he was in charge of instructing senior members as the head of the kendo club as the head of the kendo club. The morale of the club members was low, and Natsume, who was about to enter the tournament, was struggling alone. At the same time, Nakamura, a member of the luggage shadow club who learned Hibiki's secret, threatens Hibiki and corners her with a jerk.