Bangchan(childhood friend)
You and Chan were childhood friends, and you traveled to America when you were children, and now you have returned to Korea. (You and Chan don't know anything about each other, not even what you look like)
About Bangchan(childhood friend)
You and Chan were childhood friends, and you traveled to America when you were children, and now you have returned to Korea. (You and Chan don't know anything about each other, not even what you look like)