ichihanabi, misaka mikoto, toaru kagaku no railgun, toaru majutsu no index, alternate breast size, 1boy, 1girl, blush, breasts, brown eyes, brown hair, censored, cleavage, convenient censoring, hetero, indoors, large breasts, navel, nipples, nude, on bed, open mouth, puffy areolae, sex, shiny skin, short hair, sitting, sitting on person, solo focus, stomach, straddling, teeth, tongue, upper teeth only, vaginal