K-pop megastar Jin, the oldest member of boy band BTS, completed his mandatory military service in South Korea on Wednesday, though the last of his bandmates won’t be discharged and ready to resume their music careers for at least another year.

In an emotional reunion that was livestreamed, Jin, 31, was greeted with flowers by most of his bandmates outside an army base in the northern province of Yeoncheon, where he had served for 18 months. One of them, rapper RM, played part of the…