Posing as a man, Sei trains with the Shinsengumi and does her best to survive the turbulent times. Sei and her secret crush Soji watch as the Shinsengumi begins to crumble, while their former fellow member Saito leaves with the breakaway faction led by devious Councilor Ito. Meanwhile, just as Sei and Soji’s feelings for each other are deepening, it turns out an escort from Kyoto also has feelings for Soji!