Masterpiece, best quality, detailed character design, UHD, (solo, 1male:1.5), 25 years old, a traditional Chinese physician, serene expression, manly, (wide jaw), (black hair, single bun:1.3), happy, laughing, tall and lean, accurate body and hand anatomy, (hanfu, grey), elegant, head bowing down, selling medicine, dynamic pose, ancient street in the background, outdoors, ancient China style, boichi manga style