A realistic portrait painting of a Japanese robotic geisha featuring intricate kanji symbols and detailed decals, rendered with octane for 4k quality using Unreal Engine 5. Inspired by futuristic themes like Ex Machina and I, Robot, the artwork showcases delicate and precise craftsmanship. The robotic geisha is adorned with advanced technological elements, blending traditional Japanese beauty with futuristic innovation. The composition is clear and precise, avoiding any visual distortions or imperfections, focusing instead on capturing the essence of a harmonious blend between robotics and art.