Fictional K-Pop band the Saja Boys, from Netflix’s hit animated film K-Pop Demon Hunters, has become the highest-charting K-Pop band in US Spotify history — even surpassing BTS.
K-Pop Demon Hunters released on Netflix on June 20, 2025, and it’s already become a smash hit among viewers, reaching the global top 10 on all countries tracked by the platform.
The movie features two feuding K-Pop bands, a girl group named ‘Hunterix’ and a boy band called the ‘Saja Boys.’
In the film, the Saja Boys become instant superstars thanks to their catchy music and hunky bods — and it looks like their star power is translating to the real world, too.
The Saja Boys are a hunky boy band in Netflix’s hit animated movie ‘K-Pop Demon Hunters.’
Saja Boys are so popular, they beat out BTS on US Spotify charts
As of July 3, 2025, the Saja Boys are now the top highest-charting K-Pop band in US Spotify history. This means that the fictional group is at the top of Spotify’s rankings via a combination of music sales and streaming activity on the site.
The Saja Boys are so popular that they’ve even outranked fellow K-Pop group BTS, one of the most popular and successful Korean bands in history, thanks to their song ‘Your Idol.’
The tune is one of two original songs the Saja Boys perform in K-Pop Demon Hunters (the other being ‘Soda Pop’). The dark, EDM-style track was written by EJAE (the voice of lead character Rumi), Mark Sonnenblick, and Vince.
EJAE has worked with a slew of top-tier K-Pop groups including TWICE and aespa, opening up about her process for the film in an interview with Forbes earlier in July.
“[It was] a lot,” EJAE told the outlet. “There were so many versions of [all the songs]. We had different songs that they scrapped or they’ll hold. I think for one of the songs, I’m not even kidding. I did [around] 57 demos.”
According to EJAE, the sound for ‘Your Idol’ was inspired by EXO’s songs MAMA and Obsession.
“It’s about the obsession of fans [because the Saja Boys] want them to be obsessed [to control them],” she said. “That sounds like what an Idol is. I was raised Christian and remembered it’s a sin to idolize something. So, it was like a twist of ‘I’ll be your Idol.’ It was kinda creepy.
“I reversed [the audio] and harmonized that [on the demo]. I was like, ‘Whoa, this sounds like a cathedral.’ [It was] weird. So, I did that and added harmonies to make it sound even creepier and have a kind of old Latin vibe.”
In fact, K-Pop Demon Hunters is so popular that co-director Maggie Kang admitted there’s already potential plans in place for a sequel.
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