Vertical 9:16, photorealistic portrait, handsome young man sitting relaxed on plain neutral background, wearing deep ocean-blue casual sweatshirt, dark blue denim pants, white sneakers with blue details, friendly black line-drawn character leaning beside him giving a cheerful thumbs-up and one arm around shoulder, small star doodle in corner, he smiles confidently, soft even lighting, warm friendly atmosphere, realistic skin texture blended with charming pencil sketch style, clean minimalist backdrop, 8k.