A poster for a live concert in Japan, in the style of retro-futuristic cyberpunk, mecha anime, liquid light emulsion, meatpunk, exaggerated anatomy, zbrush, neogeo. The design features vibrant neon colors, intricate mechanical elements, and a highly detailed robotic face with advanced technology. The backdrop includes futuristic versions of Japan's iconic buildings, creating a bold contrast and enhancing the vibrancy and complexity of the scene. High resolution and visually striking.