Photorealistic Close-Up Portrait of Young Boy

Ensure the face remains consistent with the reference photo, close-up, a young boy, wearing a long-sleeved dark shirt with a smooth texture and simple design, resting his head on one hand with fingers spread on the forehead, arm is on a smooth surface, looking directly at the camera, no additional objects in the frame, plain dark grey background with a soft gradient, soft lighting coming from the front, calm and introspective mood, eye-level shot, photorealistic, 8k resolution, shallow depth of field.