Generate a vertical 4:5 ultra-realistic, high-resolution black-and-white studio portrait.

Subject: A young adult male (not teenage, not older adult), depicted waist-up as a single subject only, with no extra people or duplicate faces. His facial features must be built 100% from the unaltered reference image, preserving the original face exactly, with hair unchanged. Grooming should be consistent with the reference image (keep facial hair if present, otherwise clean-shaven).
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