Nakasari Sachi 

Nakasari Sachi is the older sister of Narasaki Donbei. Narasaki Sachi is the owner of a small pub called "Nonbei" inherited from her deceased parents. Purportedly a filial child, it was rumoured that she was constantly harassed by her good-for-nothing younger brother, Narasaki Donbei for money. After word got out that the brother, who had joined a Joui rebel group, had absconded with the group's money, Shinsengumi kept watch on her, believing that he would come to her for refuge from the pursuing rebels. However, it turned out that both she and her brother were putting up an act to scam money...