Prompt: masterpiece, best quality, a primary school student, a boy, with (((well-developed muscles)), thick and (((strong thighs))) and arms, stands on the running track with his fists clenched. He is wearing a school uniform with shorts, a school shirt, and white shoes. The background features a sports field with a blue sky and white clouds.
Negative prompt: EasyNegative, drawn by bad-artist, sketch by bad-artist-anime, (bad_prompt:0.8), (artist name, signature, watermark:1.4), (ugly:1.2), (worst quality, poor details:1.4), bad-hands-5, badhandv4, blurry,