Fire falls on a southern sea. Naha was once the capital of the Ryukyu Kingdom—an independent island nation with its own kings, its own language, its own trade across the seas of Southeast Asia—and over the water at Naminoue Beach, the fireworks reflect in a subtropical night unlike any on the mainland. Here the shells rise in seasons still warm enough for shorts and sandals, the crowd watching in beachwear under a sky that holds its heat. Okinawa's climate runs to its own calendar, and so do its celebrations—the fireworks can open in autumn or even winter, when the rest of Japan has long since packed away its summer. The music is Ryukyuan, the dances are the islands', and the fireworks fall over a sea that carried the kingdom's ships to China and Siam centuries ago. Okinawa keeps a different time from Yamato—the name for mainland Japan—a slower, warmer, more outward-facing rhythm shaped by its own long history. And so even its fireworks feel distinct: a different fire, opening over a different sea, above an island that was once its own country.