"A breathtakingly detailed and hyper-realistic illustration of a futuristic green metropolis, harmoniously blending organic architecture with cutting-edge technology and nature. The cityscape features a skyline of verdant skyscrapers, their facades seamlessly integrated with vertical gardens, living walls, and solar-paneled exteriors. Intricate designs inspired by organic forms dominate the structures, creating a fluid, natural aesthetic that merges gracefully with the surrounding environment. Green transportation systems crisscross the city, including elevated railways with energy-efficient trains, autonomous electric cars, and airships powered by renewable energy sources. The streets are lined with lush green pathways, thriving flora, and eco-friendly communal spaces filled with vibrant activity. Urban plazas feature rainwater harvesting systems, bioluminescent lighting, and integrated green energy hubs. The backdrop showcases a pastel-hued alien sky, adorned with glowing moons and a distant ringed planet. Gentle beams of sunlight highlight the eco-conscious urban design, while cascading waterfalls and sparkling rivers wind their way through the city. Hovering drones plant greenery on rooftops, and towering wind turbines spin gracefully among the buildings. The environment embodies the symbiotic relationship between humans and nature, creating a visually stunning utopia inspired by Japanese contemporary illustrators, known for their masterful compositions and intricate details. Every detail, from the organic forms of the buildings to the colorful, biodiverse landscapes, radiates innovation, balance, and harmony, crafting a captivating vision of a sustainable future."