South Korean sensation EJAE sings as the character Rumi in KPop Demon Hunters, the animated Netflix film that is being re-released to the big screen this Friday for a special Halloween run. According to Google, Rumi is the most searched Halloween costume of 2025, sparking “dragon braid” and “purple hair” TikTok tutorials to help fans dress like her signature look.
The movie debuted on Netflix on June 20, 2025 and was also in theaters in August with a sing-along version. Becoming a pop culture phenomenon, KPop Demon Hunters is the most popular original title in the history of the streaming service, with a whopping 325 million views. Plus, the KPop Demon Hunters soundtrack is currently only behind Taylor Swift on the Billboard albums chart. Now a sequel is on track for a 2029 release, putting the spotlight on beautiful EJAE, who did the singing for animated Rumi.
KPop Demon HuntersNetflix
The movie’s rabid fans want to know more about the singer who first hit it big in her native South Korea. Who is EJAE, what songs has she written, how did she succeed after early failure in K-pop, and does she have a romantic partner? Read on to find out more!
EJAE is a singer, songwriter, and record producer. She adopted the all-caps professional name after being born Eun-JaeKim in Seoul, South Korea, on December 6, 1991, making her 33 years old. EJAE produced such South Korean girl groups as Red Velvet, Aespa, Twice, and Le Sserafim. But she’s now front and center herself as the singing voice for Rumi in KPop Demon Hunters. Ejae also wrote songs for the popular movie’s soundtrack!
Does EJAE sing for Rumi?
What songs did EJAE write?
EJAE co-wrote several songs for the soundtrack of the film K-pop Demon Hunters, such as "Golden," "How It's Done," and "Your Idol.”
On October 24, EJAE released her debut solo single, “In Another World.” She told Wired about writing hits, “You have to keep exciting the audience.”
SEOUL, SOUTH KOREA - OCTOBER 13: Ejae is seen on the way to a recording of 'Lee Eunji's Music Plaza' on KBS Cool FM at KBS in Yeongdeungpo-gu on October 13, 2025 in Seoul, South Korea. (Photo by KCNA/Imazins via Getty Images)Why didn’t she debut as a K-pop star herself years ago?
EJAE trained to be a K-pop singer in 2003, at the age of 11. But her label, SM Entertainment, dropped her in 2015 after 12 years and zero debuts as a solo idol or group. SM Entertainment reportedly didn't select her for a debut due to lack of concept fit and visual harmony. “As a kid, it hurts,” she admitted to Wired. “I couldn’t sing those high notes back then.” But EJAE didn’t give up, studying music at New York University. She came back to SM again in 2017 for a songwriting camp where she churned out the melody for Red Velvet’s hit song “Psycho” in 30 minutes. After that triumph, EJAE’s songwriting career took off as she worked for several other K-pop acts. The Demon Hunters producers then came calling for her to sing and the rest is history!
Who are Audrey Nuna and Rei Ami?
While EJAE sings as Rumi in the Netflix film, the other two members of fictional Huntr/x, the characters Mira and Zoey, are sung by Korean-American singer/rappers Audrey Nuna and Rei Ami. In their music, Nuna and Ami are famed for blending genres. While Nuna, whose real name is Audrey Chu, first hit it big with Instagram cover songs before getting a record deal, Ami (real name Sarah Yeeun Lee) has been inspired by anime and put out the “Freak” single with Sub Urban. Nuna and Ami sing with EJAE in the chart-topping hit "Golden” from KPop Demon Hunters.
KPOP DEMON HUNTERS - When they aren't selling out stadiums, Kpop superstars Rumi, Mira and Zoey use their secret identities as badass demon hunters to protect their fans from an ever-present supernatural threat in Netflix's Kpop Demon Hunters.Netflix
Is EJAE married?
No, but as of late 2023, according to social media, she got engaged to her fiancé Sam, a former music producer. She recently admitted a pause in their relationship inspired her single “In Another World.” EJAE said in an interview about her boyfriend, “We were good but we wanted a break…I needed some space to reassess. If we were to part ways, what’s a way to cope with that?” But happily, the two reunited!
View this post on InstagramBefore the first live performance of “Golden” on The Tonight Show Starring Jimmy Fallon with her co-singers on October 7, EJAE had been battling bronchitis, Covid, and a cold. EJAE’s voice cracked during rehearsal with Nuna and Ami. But after a pep talk from her manager, her voice returned and the three delivered a powerful performance.
Will the group perform together again?
The star told Vulture, “I’ve never experienced anything like this in my life. I’m fine for now, but I feel just … numb.”
Related: Netflix Scores First-Ever Theatrical Win After Genius Move With K-Pop Hit
Would EJAE like to write songs for other famous singers?
Will there be a follow up with EJAE to KPop Demon Hunters? There’s no word on a sequel movie but given the enormous success, it’s reportedly being planned!
Next, everything we know about the KPop Demon Hunters sequel.
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