Actually, you're lucky. In America, the South Korean girls there are not afflicted with plastic surgery craze and those people are naturally hot. But in South Korea proper, that's where they shape-shift.
Go for the overseas Koreans but I don't know about the homeland Koreans.
And yes, the Northwest and Northern Chinese were the hottest. In fact, Persian and Arab artists where so obsessed with them they painted the Sinos as the ideal standard of beauty.
A Persian Painting
http://www.metmuseum.org/toah/images/h2/h2_57.51.24.jpg