euphemia li britannia, nina einstein, code geass, artist request, 00s, 1girl, arched back, arm support, bent over, black hair, blazer, blue socks, blush, braid, breasts, buttons, closed eyes, clothed masturbation, collared shirt, crotch rub, desk, emblem, female focus, female masturbation, from side, full body, glasses, hair over shoulder, indoors, jacket, kneehighs, leaning forward, legs apart, long hair, long sleeves, masturbation, miniskirt, moaning, necktie, open mouth, pencil skirt, photo (object), purple hair, raised eyebrows, school desk, school uniform, serafuku, shadow, shirt, shoes, simple background, skirt, small breasts, socks, solo, sweat, table, table humping, tiptoes, twin braids, white background, wince, yuri