Okinawa, Japan greets you with salt-scented breezes, emerald seas, and the soft strum of the sanshin drifting through island air. Here, coral reefs shimmer below cliffs crowned by ancient gusuku castles, and palm-fringed lanes lead to markets filled with tropical fruit and laughter. It is a place where Ryukyuan spirit thrives beside modern cafés and ocean-view roads. Whether…