She is an idol. Shinpachi once have fallen in love with her after helping her from the train incident. She invited Shinpachi to her house and seduced him but while shinpachi was taking a bath at her house she stoles his wallet. In the end of the episode it was revealed that she is a theif who steals the wallet of other people.  She acts innocent in order to trick people.

Life isn't easy in feudal Japan... especially since the aliens landed and conquered everything! Oh sure, the new health care is great, but the public ban on the use of swords has left a lot of defeated samurai with a difficult decision to make concerning their future career paths! This is especially true if, as in the case of Gintoki Sakata, they're not particularly inclined towards holding a day job, which is why Gintoki's opted for the freelance route, taking any job that's offered to him as long as the financial remuneration sounds right. Unfortunately, in a brave new world filled with stray bug-eyed monsters, upwardly mobile Yakuza and overly ambitious E.T. entrepreneurs, those jobs usually don't pay as well as they should for the pain, suffering and indignities endured!<br><br>
(Source: Sentai Filmworks)

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