yasuto (eria151), misaka mikoto, toaru kagaku no railgun, toaru majutsu no index, commentary, 1girl, bare shoulders, brown eyes, brown hair, brown shoes, brown sweater, brown sweater vest, brown vest, electricity, electrokinesis, fingernails, from behind, full body, grey skirt, hair ornament, hairclip, kneehighs, light blush, light smile, loafers, looking at viewer, medium hair, miniskirt, outstretched arms, parted lips, perspective, pleated skirt, school uniform, shadow, shirt, shoes, short sleeves, simple background, skirt, sleeveless, sleeveless sweater, socks, solo, standing, summer uniform, sweater, sweater vest, t-pose, tokiwadai school uniform, vest, w, white background, white shirt, white socks