Fiji's innovative living system proposal, the Dual-Axis Concave Mirror Living System, is a groundbreaking architectural concept by MASK Architects. This system revolutionizes the way we approach energy and water autonomy in architecture. By integrating kinetic concave mirrors, the design transforms buildings into self-sufficient, responsive interfaces that produce resources while shaping inhabitable spaces. The solar-integrated living architecture, known as the Fiji Solar Crown, is a collaboration with TesserianTech, addressing Fiji's energy and water challenges. It generates electricity and harvests water on-site, operating independently from centralized grids. The system is inspired by traditional Fijian bure, utilizing contemporary materials and technology. The concave solar crown acts as an environmental engine, concentrating sunlight for electricity, supporting passive cooling, and collecting rainwater for various uses. The design is modular, with three scales: 3-meter, 5-meter, and 7-meter modules, each with its own energy and water-generating capabilities. These modules can be used independently or clustered to form larger communities or micro-grids. The system's material selection, including laminated bamboo, Fijian hardwoods, and geopolymer concrete, reinforces environmental and cultural considerations. The architectural anatomy integrates mechanical systems, photovoltaic receivers, and a dual-axis tracking mechanism. The Fiji Solar Crown is a scalable territorial system, reducing fossil fuel dependence, stabilizing water supply, and moderating microclimates. It demonstrates architecture's role as an active environmental system, integrating spatial design, structural performance, and resource production for climate-vulnerable regions.