>>55656622Not a headcanon, this was confirmed in Legends, the people of Volo and Cogita represent the original inhabitants of Ezo (Now Hokkaido) Mishihase the ancestors of the Nivkhs of Sakhalin who were displaced by the Emishi the ancestors of the Ainu represented by the clans Pearl and Diamond and finally the conquest of the Yamato people (The Japanese) represented by Kamado, of course everything from a friendly filter, you know no one likes to represent themselves as the villain of the story.
Only as an addition Professor Laventon represent the openness to other nations during the Meiji period.
>>55656784>she's not a foreigner to her regionExactly, Shirona is not a foreigner, her ancestors are originally from that territory, but her ancestry is not Poke-Japanese, at least not completely. Just to give an exaggerated analogy, it is like the case of Native Americans in America, they are not foreigners in their lands, but they are not the current representative population.
Just to add Cynthia is based on Maetel, Natasha, and Koshka, all foreign characters with Russian clothing, the last two being of Russian nationality and the first is an alien.