A ninja and granddaughter of Gendousou Dragon.

Yukano loses her memories after the fight at the dojo and has been going under the name Amnesia. She joined the Ikki Uchikowashi organization where she fell in love with the ninja Rapture. After finding out that the organisation is evil, Ninja Slayer kills the member Flickshot and the organisation and Yukano declare him an enemy. Under the disguise Maname, Yukano recruits Naraki, and at a protest she kills one of their own to start more violence but Ninja Slayer shows up and stops them.
(Source: Ninja Slayer Wikia)