Saja Boys members: Meet the demon idols of K-pop Demon Hunters
Saja Boys is a fictional five-member Korean boy group created for the Netflix animated film KPop Demon Hunters. The group’s members are Jinu, Mystery, Abby, Romance, and Baby. They debuted in 2025 with Soda Pop. Director Maggie Kang told Forbes about the blend of K-pop groups that inspired the Saja Boys, saying:
The Saja Boys have elements of K-pop boy bands like BTS, Monsta X, BIGBANG, ATEEZ, Tomorrow X Together and Stray Kids.

Source: UGC
TABLE OF CONTENTS
Key takeaways
- Saja Boys members' names are Jinu, Mystery, Abby, Romance, and Baby.
- They are a fictional, animated K-pop boy band from the Netflix animated film KPop Demon Hunters.
- In the film, the Saja Boys are a group of demons disguised as a rival K-pop group to destroy a magical barrier protecting the world.
- Their songs, like Your Idol and Soda Pop, have achieved success and topped music charts.
Saja Boys summary
Origin | Demon Realm |
Genres | K-pop, dance pop |
Members | Mystery, Abby, Jinu, Baby, Romance |
Status | Inactive |
Labels | Netflix / K-pop Demon Hunters |
Who are the Saja Boys members?
Saja Boys members are the demon idols in the Netflix movie K-pop Demon Hunters. The group has five members: Jinu, Abby, Mystery, Baby, and Romance. Each member has a special role and style, making them stand out as both singers and villains in the story.
On 27 June 2025, in an interview with Forbes, Director of K-pop Demon Hunters, Maggie Kang, talked about how interesting it is to see fans fit their idols into the identities of the characters in the film. She said.
I think what I like to talk about is that there are so many certain archetypes that every group has. It’s fun to see this conversation happening because everyone’s picking the right member who fills that archetype and that kind of role, and looks for each group.
Below are more details about KPop Demon Hunters Saja Boys.
Jinu

Source: UGC
- Stage name: Jinu
- Position: Leader, vocalist, dancer
- Voice actor: Ahn Hyo Seop
- Singing voice: Andrew Choi
- Nationality: Korean
Jinu is the leader and main vocalist of Saja Boys in K-pop Demon Hunters. He is the only member who uses his real name as his stage name. Jinu is voiced by Ahn Hyo-seop, with Andrew Choi providing his singing voice.
In the movie, he is shown as Rumi’s love interest, with fans calling their ship “Rujinu.'' He later sacrifices himself to protect Rumi from Gwi-Ma. Jinu's character was reportedly inspired by Nam Joo-hyuk and Cha Eunwoo from the boy band ASTRO.
Abby

Source: UGC
- Stage name: Abby
- Position: Main dancer, vocalist, rapper
- Voice actor: SungWon Cho
- Singing voice: NECKWAV
- Nationality: Korean
Abby is the main dancer of Saja Boys in K-pop Demon Hunters. His voice actor is Cho Sungwon, while his singing is done by NECKWAV. In the movie credits, he is also called “Abs” because of his strong body and attractive abs, which make him stand out to fans.
Abby is shown as the love interest of Mira and Zoey, and fans especially ship him with Mira under the name “Miromabby.” He represents the idol type known for powerful dancing and a muscular look.
Mystery

Source: UGC
- Stage name: Mystery
- Position: Vocalist, dancer
- Voice actor: Alan Lee
- Singing voice: Kevin Woo
- Nationality: Korean
Mystery is the lead vocalist of the K-pop group. His speaking voice is done by Alan Lee, while his singing voice is provided by Kevin Woo. He is the only member whose full face is never shown, making him more secretive and unique.
In the movie, Mystery is connected to Zoey from HUNTR/X as her love interest, and their ship name is “Zoeystery.” His look is inspired by anime characters, giving him a mysterious style.
Romance

Source: UGC
- Stage name: Romance
- Position: Vocalist, dancer
- Voice actor: Joel Kim Booster
- Singing voice: SamUIL Lee
- Nationality: Korean
Romance is one of the Saja Boys in KPop Demon Hunters. His voice actor is Joel Kim Booster, and his singing voice is by SamUIL Lee. He is inspired by Yeonjun from TXT in the Blue Hour era.
In the movie, Romance is linked to Mira, and fans ship them together with Abby under the name “Miromabby.” Romance is the group’s playful and romantic member who uses his charm to attract people.
Baby

Source: UGC
- Stage name: Baby
- Position: Maknae, rapper, dancer
- Singing voice: Danny Chung
- Nationality: Korean
Baby is the youngest member (maknae) of Saja Boys in K-pop Demon Hunters. His singing voice is performed by Danny Chung, while his speaking voice actor remains undisclosed.
He is inspired by Jimin from the K-pop boy band BTS and is shown as the cute member who acts like a baby to win fans’ hearts. Even though he looks soft and playful, he has a wild and chaotic side that makes him unpredictable.
Frequently asked questions
Are the Saja Boys a real group?
The Saja Boys are not a real group. They are a fictional, animated K-pop boy band from the Netflix animated film KPop Demon Hunters.
Who are Saja Boys members voice actors?
Here is a list of the K-pop boys members and their voice actors in K-pop Demon Hunters:
Member | Voice actor |
Jinu | Ahn Hyo-seop |
Abby | Cho Sungwon |
Mystery | Alan Lee |
Romance | Joel Kim Booster |
Baby | Uknown |
Who are the Saja Boys singers?
The Saja Boys singers in K-pop Demon Hunters are the artists who provided their singing voices:
Member | Singer |
Jinu | Andrew Choi |
Abby | NECKWAV |
Mystery | Kevin Woo |
Romance | SamUIL Lee |
Baby | Danny Chung |
Who inspired Saja Boys?
According to the film's creators, the group was inspired by real-life K-pop Korean groups such as Tomorrow X Together, BTS, Stray Kids, ATEEZ, BIGBANG, and Monsta X.
Wrapping up
The Saja Boys members in Kpop Demon Hunters mix the world of K-pop with demons and folklore. Each member has their own role, voice, and style, inspired by real idols. Even though they are not a real group, they feel lively and exciting, showing the charm, drama, and energy that fans love in K-pop.
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Source: Briefly News