Realistic portrait painting of a Japanese robotic geisha adorned with kanji symbols and intricate decals, rendered with octane for high detail. Captured in 4k using Unreal Engine 5, inspired by elements of Ex Machina and I, Robot. The artwork is pristine, avoiding common digital flaws like jpeg artifacts, blurriness, or low resolution. It maintains perfect anatomy without errant or missing body parts, ensuring that hands and fingers are accurately depicted. The design is free from watermarks, signatures, or any evidence of poor artistry, resulting in a stunning, high-quality image that perfectly melds traditional Japanese elements with futuristic robotics.