I don't really have a favorite, but I know about Girls'Generation, BIGBANG, and of course, BTS. I mean, BTS is undoubtedly the most popular kpop group of all time. When I first heard about them, I wouldn't say I was attracted, and still, now, I am a huge fan. The fun fact is that, when I was in pre-school, I began to learn Korean, and now, that's pretty useful reading
k0reanwatch.com and all local news and information about them. This site provides reliable and well-understandable details on BTS.