Another rule is that your boss is always right and you have to obey. Whether it's decisions where to purchase goods or strategic decisions whether we drink soju or beer, the boss is always right. I guess there wouldn't be a problem with this, but I had this feeling Koreans lack this individual input of their own into the daily office life.
Orders are orders ... hehe we did voluntary work. And here is how it was communicated: "Next Wednesday you will go to Yongin and will do voluntary work". Ummm ok, but where is that voluntary part?
Other than that, my general observation was that a Korean company such as SK is like a family. It takes care of you, provides you food, friends and entertainment but demands you to give up your independence. Not sure if it's really a great way.