A photorealistic vertical portrait of a [Age]-year-old man celebrating his birthday as a Medieval King. He is sitting on a grand, ancient wooden throne in a magnificent medieval hall. He is wearing regal furs and royal clothing. He is holding a large, rustic multi-tier birthday cake. The hall is decorated with giant medieval 'Happy Birthday' banners, golden balloons, and thousands of candles. Portrait orientation, 9:16 aspect ratio. STRICT INSTRUCTION: The face must remain exactly as the uploaded reference image. Do not alter the face shape or features. Epic historical lighting, 8k, ultra-realistic.