huan zi bu cheng, nightingale (arknights), arknights, chinese commentary, commentary request, highres, 1girl, bare shoulders, black horns, blonde hair, blue eyes, closed mouth, flower, hat, holding, holding flower, horns, horns through headwear, jacket, light smile, long hair, long sleeves, looking at viewer, multicolored hair, own hands together, petals, pink flower, pink hair, sample watermark, solo, streaked hair, upper body, watermark, white hat, white jacket