masterpiece, best quality, anime style, 1girl, human, beautiful woman, long silver-blue hair, low ponytail, sharp blue eyes, pale skin, calm and intelligent expression, elegant face, black high-collar secretary uniform, dark navy long coat, red ribbon tie, gold brooch, black gloves, thigh-length skirt, black stockings, holding a leather document folder, refined, mysterious, loyal to the demon king, dark fantasy castle, anime illustration. great quality, best quality
