Rukino Saki (流木野サキ) from Kakumeiki Valvrave (革命機ヴァルヴレイヴ)

rukino_sakivv, 1girl, anime coloring, solo, long hair, purple hair, purple eyes, half updo, hair ribbon, bow, blazer, long sleeves, emblem, pleated skirt, red skirt, black thighhighs, thighhighs, zettai ryouiki,