She was the 17th Ikeda Yaemon of the Ikeda Clan, and the adopted daughter of 16th Yaemon, as well as the adoptive sister of the 18th Ikeda Yaemon. She was branded as a traitor by the clan after she killed the 16th Yaemon.

Later on, it is revealed that her adoptive brother planned to sell her to the Hitotsubashi faction. When he is killed by Gintoki and Asaemon together, she succeeds him by taking up the title of the 19th Ikeda Yaemon.