Ryūgū-jō, the Dragon Palace beneath the sea, is Ryujin's domain — a magnificent underwater castle of red and white coral where time flows differently from the surface world.
Ryūgū-jō, the Dragon Palace, lies within Tokoyo, the eternal realm beneath the sea.
Hoori lived at Ryūgū-jō for three years as Ryujin's honored guest. At the Dragon Palace he married Toyotama-hime, recovered Hoderi's fishhook, and received the magical Tide Jewels before returning to the surface world.
Urashima Tarō lived in Ryūgū-jō for what seemed like three days but was actually three hundred years. The Dragon Palace's otherworldly time flow made his stay a paradise from which return proved devastating.
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