Yonsei University maintains student exchange programs with more than 650 schools around the world. The number of incoming and outgoing exchange students exceeds 1,000 every year, which makes Yonsei's abroad program one of the largest in the country. Please note that graduate students are only eligible for an exchange during their third semester.
Check exchange universities: http://oia.yonsei.ac.kr/
For more information, you may directly contact the Office of International Affairs
(email@example.com, 82-2-2123-4703~4 or 6495) which is administering the exchange programs.