1girl, ass, blush, closed_mouth, fate/stay_night, fate_(series), finger_to_mouth, from_behind, hand_up, illyasviel_von_einzbern, jacket, long_hair, long_sleeves, looking_at_viewer, looking_back, parted_bangs, pleated_skirt, purple_jacket, red_eyes, shirasu_youichi, sidelocks, simple_background, skirt, sleeves_past_wrists, smile, solo, very_long_hair, white_background, white_hair, white_skirt