人鱼线 露肚脐 (8k, RAW photo, best quality, masterpiece:1.2), (realistic, photo-realistic:1.37), perfect face shape, high quality, high precision, professional lighting, photon mapping, raytracing, radiosity, physically-based rendering, well, undressing,1girl,white skin, medium breasts,(blond hair),upper body, looking at viewer, beautiful, cute , sexy,school uniform，看镜头，微笑，正面，blush，干练，