1girl ass_visible_through_thighs bangs bare_shoulders blush bob_cut breasts cowboy_shot eyeliner fate/grand_order fate_(series) halterneck headpiece heart highres horns japanese_clothes kimono looking_at_viewer makeup navel off_shoulder oni oni_horns open_clothes open_kimono open_mouth purple_eyes purple_hair purple_kimono revealing_clothes short_eyebrows short_hair shuten_douji_(fate) simple_background skin-covered_horns small_breasts smile solo thighs white_background yoo_tenchi