: On Twitter (now X) during 2021, "BTS" was frequently used as shorthand for "Behind the Scenes." Fans often used this keyword to find unedited footage, bloopers, or set photos from Kelas Bintang's latest releases.
Even a few months later, in a Weverse interview, when asked about a favorite fan memory from 2021, Jung Hoseok paused. He didn’t mention a chart record or a concert. He smiled and said, “There was a story… a school story. From Indonesia, I think. It was very warm. We saw it. Thank you.” bts kelas bintang on twitter 2021