My best friend broke up with me

I have always been a kinda shy guy in my childhood and almost didn't have friends. When I was 18y I went to Indonesia for an internship and fell in love with a Korean girl (I'm Belgian). We were so close and a few weeks later we were bf and gf. I went to visit her a lot in South Korea (and she came a lot to Europe) resulting in big fights with my parents. They are no fan of foreign cultures (and that's a serious understatement). But I was crazy in love and had never been this happy before. We travelled 6 times for around a month in 2 years without my parents knowing that and skyped every day without any exception. After those 2 years we got more and more in problem with the long distance and she broke up with me. In fact not much changed, we still skyped every day and still were as close as before. We were just not officially "bf and gf". So I was still very happy. A year later she got a new boyfriend and she stopped contacting me. She asked me to not call her anymore. I was feeling so lonely (I actually don't have any friends around me here) and I knew she was alone so I called her (I still regret this so hard, I've been so stupid) and for the first time in the 3 yrs that I know her she started screaming bad words to me, threating to tell everything of our relationship and travels to my parents if I ever contacted her or her friends again. I just posted a letter to her saying how sorry I am and begging to stay friends, but now I'm scared it will only make it worse. I really don't know what to do, I'm so desperate

Can anyone help me?