Koreans are extremely sensitive people. Never cause partners to lose face by putting them in a difficult position. On the contrary, praise their recently earned prosperity. Entertainment in Korea plays an important role in any business relationship. When offered, it should always be accepted, and in some way, reciprocated in due time.
Korean parties are often like drinking competitions.
Your capacity of alcohol consumption may be one of the deciding factors that can lead to a successful business negotiation and relationship. The giving of small gifts is also an accepted practice and is recommended. Recently, golf is also becoming a more popular form of entertainment. Join the game as often as possible, but not many holes in ones. Try to personalize all business relationships.