Rule 34 Dev - 1girl bikini black_hair blue_eyes breasts choker flower grin hair_flower hair_ornament hand_in_own_hair heart heart_choker highres long_hair medium_breasts musaki_(msaki666) navel orange_background parted_lips red_bikini red_choker saten_ruiko smile solo swimsuit toaru_kagaku_no_railgun toaru_majutsu_no_index upper_body|24807368430