1girl :d bangs black_robe black_thighhighs blush book breasts cleavage collarbone commentary_request covered_navel curled_horns demon_girl demon_horns demon_wings grey_hair hair_between_eyes holding holding_book horns isla_(sennen_sensou_aigis) kou_hiyoyo large_breasts layered_skirt long_hair miniskirt open_book open_clothes open_mouth open_robe outstretched_arm pleated_skirt pointing purple_eyes purple_wings robe sennen_sensou_aigis skirt smile solo standing thighhighs very_long_hair white_skirt wide_sleeves wings