kakinoki, shirai kuroko, toaru kagaku no railgun, toaru majutsu no index, 1girl, :3, adjusting hair, bare shoulders, bean bag, bean bag chair, blush, bow, bra, brown eyes, brown hair, cushion, female focus, flat chest, hair bow, lingerie, long hair, no bra, panties, pink hair, reclining, red eyes, sitting, smile, solo, spread legs, strapless, thighhighs, tube top, twintails, underwear, underwear only