: In late 2020 and early 2021, BTS released their highly publicized "2021 Season's Greetings," which featured a distinct "retro/vintage Seoul" concept. The members dressed up in 1970s and 1980s Korean street fashion, adopting humorous retro personas.
Because BTS (the band) and their members like Jimin were so frequently discussed that their names often bypassed traditional trending filters (becoming treated as common words), adult content distributors exploited this high volume to hide their links within massive search feeds.
Several Kelas Bintang sessions went viral in 2021, drawing international attention: