The Middle Kingdom Comes to the Hermit Kingdom

For Xiao Lei, a 30-year-old office worker from Beijing, visiting Korea was all about following in the tracks of Kim Soo-hyun, the actor of the Korean television drama “My Love From the Star,” now a mega hit in China.

“I came to visit places where Kim was filmed,” said the tourist, who was on a six-day trip around Korea with a friend. But on a July aftern…