Cheollima

Hello friends, I am someone who will be starting a master's program in March in South Korea. I was wondering in the meanwhile if I should be introducing myself to my future professors through email and how to do it? Many of my friends are in engineering and sciences and they contacted their professors of interest to join their labs, but history has no such collaborative projects besides looking for advisers. I know of professors that I have similar interests with, but I don't think I should ask them to become my advisers yet. I think it would also be awkward to introduce myself without having anything else to say. I would like to know what to do. Thank you.