STARS-530 A female manager in a loincloth who is dedicated to kendo is forced to submit to the gekokujo dick of a member of the undercover club Hibiki Natsume

Due to the death of his father, who was the acting instructor, Hibiki was forced to lead his family's swordsmanship school at a young age. - Although he was a first year student at the school he entered, he was the head of the kendo club and was instructing the senior members. - The morale of the club members is low, and with the tournament just around the corner, Natsume is struggling alone. - At that moment, Nakamura, a member of Hibiki's shadow club, learns Hibiki's secret and threatens Hibiki, driving her into a corner...