Something Else

The jutsu containing his version of the henge with makes the transformation solid. feeling a need to reminisce naruto opens the scroll that he had tsunade create after studying his transformations and sees that his transformations actually alter his DNA. feeling devious naruto realizes that he can be anyone whenever he wants without wasting his chakra forever if he so chose to.

Thinking about who he wants to become naruto reads back over the scroll and sees a small clause at the bottom of the scroll he missed. if the mask stays on for too long the wearer of the mask will lose the ability to mold chakra unless the mask is of the opposite gender. not wanting to risk being stuck as another dude naruto decides to use a quick henge to acquire a strand of hair from ________

What female character does naruto turn into...