What political forces played a role in 16th century Japan similar to the role of the Welsh, Scots, Burgundians

What political forces played a role in 16th century Japan similar to the role of the Welsh, Scots, Burgundians and French in the English War of the Scarlet and White Rose?

The Welsh separatists in Japan are reminiscent of the princes of the southern island of Kyushu, and the Scots are the northern Ainu barbarians. The French are reminiscent of the Chinese (carriers of the mother civilization on the Asian continent), and the Burgundians are the Koreans.

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