Posing as a man, Sei trains with the Shinsengumi and does her best to survive the turbulent times. She knows that former councillor Ito is manipulating the Shinsengumi for selfish reasons, but the leadership hasn’t caught on. Meanwhile, Nakamura Goro—an Ito sympathizer and hopeless romantic—takes it upon himself to try to “rescue” Sei! Unfortunately for Goro, a tender relationship has developed between Sei and Soji, the only Shinsengumi member who knows her secret!