What are my chances of getting into Yonsei GSIS?

I want to apply for KGSP and my first choice is Yonsei University. But I still have some doubts whether to chose Yonsei or other less popular Universities in Korea.
The thing is that I already have a Master’s degree(not in Korea) but I still want to apply for MA.
My BA GPA is average(I guess if not low) 3.34 out of 4, and my current MA GPA is 3.51 out of 4.
I have a level 5 TOPIK and my TOEFL IBT score is 100.
My fear is that as I’m applying for Master’s they won’t take into account my current Master’s GPA (which is still average, I know, but is better than the BA one) and would evaluate only my BA GPA.
My current MA major is International Relations and I would like to apply for Yonsei GSIS International Trade, Finance and Management (there are some similar subjects).

p.s. This is my third time applying to KGSP ( didn’t make it to SNU and Korea Uni, but then I was applying for PHD so I guess this time is different, kind of).

Is there anyone who could help me evaluate my chances of getting in?

SKY is the Korean equivalent to HYPS in the US… and Yonsei is the Y in SKY.