A hyper-realistic portrait painting of a Japanese robotic geisha, adorned with kanji symbols and intricate decals, rendered in Octane with exceptional detail and 4K clarity, visualized using Unreal Engine 5. Inspired by "Ex Machina" and "I, Robot," the artwork showcases seamless integration of robotics and traditional elegance, maintaining high-quality visuals without any artifacts or distortions. The composition highlights precise anatomy and well-rendered features, delivering a compelling and flawless interpretation of a futuristic geisha.