Hiromi, a high‑school freshman, joins the tennis club because she admires senior player Ryuzaki, the team’s best and nicknamed “Ochōfujin” (Madame Butterfly) for her elegant play on the court. The new coach, Jin Munakata, pushes the inexperienced Hiromi to compete in an upcoming tournament. Faced with this challenge, Hiromi contemplates quitting tennis altogether, but deep down she realizes her passion for the sport. She returns to the club, and under Munakata’s guidance her talent begins to flourish. By the end, Hiromi has formed a strong emotional bond with her coach, unaware that Munakata is risking his life because of a chron...