Ryuku was the leader of a band of ronin, renegade samurai, who opposed his brother, Lord Mashashige. He was killed by the companions during an attack on Mashashige's fortress. (Keepers of the Sun)

Ryuku was about 5'4", 250 pounds, with black hair, porcine features, and a long drooping mustache. Unlike his brother, he disdained the notions of honour and bushido.

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