2girls :d blush breasts brown_hair brown_horns collarbone commentary_request demon_girl demon_horns demon_wings fang gauntlets grey_background hair_between_eyes horns jewelry kurou_(quadruple_zero) large_breasts long_hair looking_at_viewer miyake_karin mole mole_under_eye multiple_girls navel necklace open_mouth pink_hair shirakawa_kokona simple_background skin_fang smile sweat watashi_no_tame_ni_nuginasai! wings