Naruto Shippuden: Hanare

A spy from the Hidden Lock Village better known as the Land of Key, who disguised herself as an musician to infiltrate the Land of Fire for investigation on Konoha affairs but was captured by the ANBU for interrogation which failed. She has an relationship with Kakashi in her past as well as not knowing her family or had seen her own village. She also had the ability to look into her own brain and thus into anyone's mind that infiltrates into her brain by using her right eye. She can also erase all of the intel she had gathered up so far. This is from Episode 191.