1girl assassin_of_black assassin_of_black_(cosplay) black_gloves black_legwear cosplay dual_wielding fate/stay_night fate_(series) fingerless_gloves floating_hair full_body gloves hair_between_eyes highres holding holding_knife illyasviel_von_einzbern knife long_hair red_eyes silver_hair smile solo thigh-highs utatanecocoa