Laughter rippled across the grass field in Yeouido Hangang Park on Saturday as RM, the leader of BTS, read out a story from one of the group's 10-year fan who first discovered BTS in her middle school and grew up with the band. She recently landed her first job, RM read from her message. "I remember training to become a singer as a student with Yoongi (Suga), and it feels strange celebrating our 10th annive...