1girl, bad_twitter_id, bikini, blush, brown_eyes, brown_hair, closed_mouth, collarbone, fujikawa_daichi, hair_ribbon, long_hair, looking_at_viewer, navel, purple_bikini, ribbon, shirai_kuroko, side-tie_bikini_bottom, simple_background, sketch, solo, swimsuit, toaru_kagaku_no_railgun, toaru_majutsu_no_index, twintails