1girl, adjusting_clothes, adjusting_swimsuit, arm_behind_back, barefoot, bikini, blush, breasts, brown_eyes, brown_hair, embarrassed, flower, from_above, gekota, hair_flower, hair_ornament, halterneck, hand_up, legs, looking_at_viewer, medium_hair, misaka_mikoto, navel, pulled_by_self, raika9, red_bikini, side-tie_bikini_bottom, sitting, sitting_on_pillow, small_breasts, solo, string_bikini, string_pull, swimsuit, thighs, toaru_kagaku_no_railgun, toaru_majutsu_no_index, wavy_mouth, white_flower