nekomamire, misaka mikoto, toaru kagaku no railgun, toaru majutsu no index, grey legwear, 00s, 1girl, alternate breast size (larger), blush, breast expansion, breasts, breasts squeezed together, brown eyes, brown hair, brown sweater, brown sweater vest, brown vest, emblem, feet out of frame, female focus, grabbing own breast, grey skirt, hair held back, large breasts, light brown sweater, medium hair, miniskirt, pleated skirt, school emblem, school uniform, shirt, short sleeves, simple background, skirt, solo, summer uniform, sweater, sweater vest, t-shirt, thighs, tokiwadai school uniform, vest, white background