From Guilty Crown. Cosplayer is Yumi-chan.
The female protagonist of Guilty Crown and a member of the resistance guerrilla group called "Funeral Parlor". She is the voice of the internet artist "Egoist". As a member of the "Funeral Parlor", Inori is extremely skilled in forms of combat such as hand-to-hand fighting and marksmanship, to the point where she is able to outmatch and kill several soldiers of the "GHQ" forces by herself. Like Yuu, she displayed the ability to render a person unconscious with a simple touch to their forehead. (guiltycrown.wikia.com)