You can usually complain in such a situation. I dunno how it is in Korea, but if a professor did this in West-Europe students would fuck his career for trying to mess with their future out of irresponsibility and pettiness....
You can usually complain in such a situation. I dunno how it is in Korea, but if a professor did this in West-Europe students would fuck his career for trying to mess with their future out of irresponsibility a... sweety1997
In my country that would be the same. Also, professors won't do this for us, they try their best to don't get us bad grades.
THE BETRYALLLL