I guess she is from 'Oda Nobuna no Yabou', not sure tho since I watch to much Anime and can't remember them all :p
Edit: Looked it up and it's right The Information here
Not sure how to exactly tag her name.
Edit: Looked it up and it's right The Information here
Not sure how to exactly tag her name.
Added the character tag for you. Found the how-to via the help-button next to the tag input.