The story takes place during the reign of the Ryukyu Kingdom (19th Century). Nakama plays Mazuru, a young woman who wants to complete her studies despite her gender restrictions, so she takes advantage of the disappearance of her step brother and disguises herself as an Eunuch named Son Neion, and es the exam to be a royal govenrment's official. This is her first time having to play both a male and female character. Her ing cast includes Tanihara Shosuke as her lover and Takaoka Saki as her enemy.