Chris is a good local friend.
He has been in Seoul for over 20 years and he still spends a lot of time in Gangnam or other parts of Seoul.
He also has many foreign friends so he can help you travel comfortably.
Chris, if you are interested in Korean singers or actors, he is a good friend to talk to.
If you're looking for a comfortable and kind partner like a friend, Chris would be a good choice to make your trip a better memory.