As for how he became the leader of the group, it's pretty interesting. Apparently, the other members looked up to him because of his language skills and his ability to communicate with fans and the media. He's also very confident and charismatic, which are important qualities for a leader to have.
It's kind of like when you're in a group project, and one person naturally takes charge because they're organized and confident. That's basically what happened with RM, and it's one of the reasons why BTS has been so successful. But, what's next for RM and BTS, and how will they continue to make waves in the music industry?
Why Is RM on the 'Hyung Line' of BTS?