Rule 34 Dev - 10s 1boy 2013 alternate_costume bare_legs bare_shoulders barefoot bikini blush bow bowtie brown_eyes brown_hair collarbone early_teens flat_chest floral_background flower frilled_bikini frills frown full_body gradient gradient_background hair_flower hair_ornament legs looking_at_viewer male matching_hair/eyes misaka_mikoto navel official_alternate_costume pink_bow pink_bowtie polka_dot polka_dot_bikini short_hair solo standing stomach swimsuit teenage teenage_girl to_aru_kagaku_no_railgun to_aru_majutsu_no_index toes yumemisaki|4279160614