Is JunkoS a mainland singer or a singer from Hong Kong and Taiwan?

Personally, I think it should be regarded as a singer in Taiwan Province Province. There are four reasons:

Although Junko was born in Beijing, he immigrated to the United States at the age of six and grew up in the United States.

Debuted in Taiwan Province Province in 2.97, and has been developing in Taiwan Province Province in his early years.

The convention of entertainment circle is that no matter where you were born, the key is to see where you debut, or even where you are an artist.

A similar example is Wang Jingwen (Faye Wong), who was also born in Beijing. Later, she immigrated to Hong Kong and made her debut under the stage name "Wang Jingwen", so Wang Jingwen has always been a Hong Kong singer. Sally Yeh was born in Taipei, immigrated to the United States as a child, grew up in the United States, and made his debut in Hong Kong in 1980. He has always been regarded as a Hong Kong singer, and no one has ever counted Sally Yeh as a singer in Taiwan Province Province. Emil Wakin Chau, born in Hongkong, went to Taiwan Province Province to study in universities, and then made her debut in Taiwan Province Province. No one would have thought that Emil Wakin Chau was a Hong Kong singer ... born in Zhong Zhentao, Taiwan Province Province ... and so on.