>>6218688>>6218659The Jomon people are several peoples who lived in the Japanese archipelago before the Yamato people (modern japanese) arrived. Among the peoples, a few groups spoke a variation on the Austronesian language group. Given that Austronesean peoples originated from the geographical island of Taiwan, they most likely arrived in Japan before spreading to South East Asia and Polynesia. Therefore, not only Anya is already Japanese, but she is also more Japanese than the Japanese.