1girl, ahoge, bare_shoulders, bikini, blush, brown_eyes, brown_hair, flat_chest, looking_at_viewer, lying, misaka_mikoto, navel, orange_bikini, shiny_skin, short_hair, shou937, side-tie_bikini_bottom, skindentation, solo, swimsuit, toaru_kagaku_no_railgun, toaru_majutsu_no_index, white_background