Photorealistic portrait of KL4V_ZM_v2, a German man in his late 40s/early 50s with a very long narrow gaunt face, hollow cheeks, and pale fair skin with age spots/moles. He has nearly shaved ultra-short dark/grey hair, round black-framed glasses, pale blue-grey eyes, a long hooked nose, prominent ears, and thin downturned lips. He has a thin wiry build, lean working man physique, sinewy but functional, not emaciated. He has a stern look, looking at the viewer, dressed in a dark blue tracksuit, a large gold cross on a chain around his neck, dark theme, gloomy tones, black background, depth of field, bokeh, masterpiece, best quality, high detail skin texture