While many initially assumed the keyword was about the global K-pop group BTS, internet culture reveals that "BTS" in this context heavily doubled as the standard industry acronym for "Behind The Scenes."
"Kelas Bintang" is known for producing web series and videos that often lean toward mature themes. In 2021, various "BTS" (behind-the-scenes) clips from these productions went viral on Twitter, often shared by accounts to drive engagement or through "base" accounts. bts kelas bintang on twitter 2021
The concept of "homework" entered the fandom lexicon permanently. Today, many BTS fan projects (like streaming goals) are still described as "Kelas Bintang homework." While many initially assumed the keyword was about