Rule 34 Dev - 1girl black_buruma black_hair black_sports_bra blue_eyes breasts buruma cleavage collarbone cototiworld dated grin highres long_hair medium_breasts navel one_eye_closed saten_ruiko signature simple_background smile solo sports_bra teeth toaru_kagaku_no_railgun toaru_majutsu_no_index translation_request white_background|21295593072