Prompt: best quality, ultra high res, (photorealistic:1.4),(Grey suit:1.2),The background is the racetrack,1boy,standing ,(looking at viewer), <lora:dongbiao:0.8>
Negative prompt: (NSFW:2),paintings, glossy skin, wet, sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, age spot, glans