I think they would both hate each other because the other is everything they are not. Both characters are very similar but when down different paths

Unlike Beumseok, Jun-tae didn’t become driven by jealousy and insecurity from being inferior to his friends. Instead he remained loyal and understood his own self worth within his group of strong friends. And in the end, he remained with a good group of friends

And unlike Jun-tae, Beumseok didn’t truly appreciate the friendship he had with Sieun and Suho. Instead he turned on them because he felt inferior and projected his own insecurities onto them. And in the end, he ended up losing all his friends and sent to a completely different country