Prompt: Create a captivating silver-bound novel by Ko Rin that showcases the essence of futuristic glamour. The book's official art should emanate an otherworldly aura, utilizing the cutting-edge Unreal Engine 5 technology. Incorporate the exquisite Gongbi painting style, depicting intricate and ornate costumes. Emphasize the opulence by incorporating chrome-plated elements and introducing transparent or translucent mediums. Keep the aspect ratio at 103:128 and the size at 750, ensuring a visually stunning experience. Include a dash of fascinating iridescence with a vivid spectrum of five colors.