Rule 34 Dev - 1girl amamitsu9 arm_up armpits black_hair blue_eyes blue_skirt flower hair_flower hair_ornament highres long_hair looking_at_viewer navel one_eye_closed pleated_skirt sakugawa_school_uniform saten_ruiko school_uniform serafuku skirt solo sweat toaru_kagaku_no_railgun toaru_majutsu_no_index|20336917653