Portrait Studio Boy Photo Prompt

Create a photorealistic professional studio portrait of the same boy from the reference photo, wearing a plain black crew-neck t-shirt, chest-up framing against a smooth dark grey seamless backdrop with gentle vignette. Pose with shoulders slightly angled, chin down a little, calm confident expression looking directly into the camera, natural groomed hair and light stubble kept as in reference. Light with large softbox key light from front-left, soft fill from right, subtle rim light separating hair from background, even clean skin tones with visible pores. Shot on Sony Alpha A7 III with 85mm f/1.6 lens, razor-sharp focus on eyes, shallow depth of field, crisp fabric detail and clean background falloff. Finish with neutral color balance, soft contrast, light retouch without plastic skin and subtle film grain. Keep face same as reference, not CGI, not illustration, preserve facial identity, age and natural features exactly.