1girl, ass_visible_through_thighs, bad_twitter_id, bikini, blush, breasts, brown_eyes, brown_hair, closed_mouth, fujikawa_daichi, hair_ornament, hair_ribbon, looking_at_viewer, medium_hair, micro_bikini, purple_bikini, ribbon, shadow, shiny_skin, shirai_kuroko, side-tie_bikini_bottom, simple_background, small_breasts, solo, sweat, swimsuit, toaru_kagaku_no_railgun, toaru_majutsu_no_index, white_background