Saja Boys Members Profile - Kpop Demon Hunters

Saja Boys is a fictional five-member K-pop boy group introduced in the 2025 Netflix animated film KPop Demon Hunters. While they dominate global music charts as dazzling idols, their true identity is far more sinister—they are demons plotting to destroy the girl group HUNTR/X and absorb their devoted fanbase.

The group made their first on-screen appearance in the teaser released on April 24, 2025. Actor Ahn Hyo Seop lends his voice to Jinu, the leader of the Saja Boys, a character who blends idol-like charisma with a dark, manipulative core. Throughout the film, the group stands as the central opposition, raising the stakes in an epic clash between pop fame and supernatural warfare.

On June 19, it was revealed that the creation of the Saja Boys drew inspiration from numerous real-world K-pop acts and artists. Influences include BTS, TXT, Stray Kids, ATEEZ, BIGBANG, and MONSTA X. Character-wise, Jinu was visually shaped by the looks and presence of actors like Cha Eun Woo and Nam Joo-hyuk, while the mysterious member Mystery was designed with anime-style aesthetics in mind. This blend of K-pop and fantasy gives the group a distinctive and powerful visual flair.

Saja Boys Debut Date

Since Saja Boys is a fictional K-pop group created for the 2025 Netflix animated film KPop Demon Hunters, they don’t have an official “debut date” like real-life idol groups do

April 24, 2025 – First appearance in the official Netflix teaser for KPop Demon Hunters

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Members Profile:

1. Jinu Saja

Position: Leader, Main Vocalist
Singing Voice: Andrew Choi (singer and composer under SM Entertainment)
Voice actor: Ahn Hyo Seop

More About Jinu:

Jinu is the kind of character who draws you in with his striking looks—and makes you question whether you should’ve stayed. Modeled after Korea’s most iconic male visuals, he carries a cool, quiet intensity that feels both magnetic and dangerous. The animators shaped him with a calm yet elegant presence, someone who looks untouchable—and maybe is.

With Ahn Hyo Seop lending his voice, Jinu speaks with a composed authority that echoes the steady charisma often seen in K-pop group leaders. Director Maggie Kang shared that his design was inspired by clean-cut, enigmatic actors—a contrast that makes his charm feel unpredictable and hard to resist. He doesn’t talk much throughout the film, but when he does, every word lands like a mix of a warning and a love song.

2. Abby Saja

Position: Main Dancer, Vocalist, Rapper
Singing Voice: NECKWAV
Voice actor: Sungwon Cho

More About Abby:

Abby—originally named “Abby” in early development but later stylized as “Abs”—is the group’s silent powerhouse. Built with purpose, his physique was intentionally amplified by the animation team, making him about 20% more muscular than the standard body model used for the others. His broad frame and quiet presence embody the classic “strong but silent” archetype that many K-pop fans instantly recognize.

He doesn’t need words to leave an impression. Whether he's in motion or simply standing still, Abs commands attention. There’s a weight to his presence—intense, almost intimidating—yet when he steps into choreography, it’s impossible to look away.

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3. Mystery Saja

Position: Lead Vocalist
Singing Voice: Kevin Woo (former U-KISS member)
Voice actor: Alan Lee

More About Mystery:

Mystery is the member who never reveals his face—and doesn’t have to. With long, violet hair obscuring his features, he feels less like a person and more like an enigma. Director Maggie Kang shared that Mystery was born from a blend of anime-inspired archetypes and animation constraints, yet fans quickly turned him into a canvas for their own interpretations.

He embodies the unknowable—the kind of member whose silence invites obsession. There’s something haunting yet graceful about him, unsettling but soft. Every idol group has that elusive presence who seems both central and detached. Mystery takes that role to an artful extreme.

4. Romance Saja

Position: Dancer, Vocalist
Singing Voice: SamUIL Lee
Voice actor: Joel Kim Booster

More About Romance:

Romance is charm wrapped in danger—a sly smile with fangs just beneath. His signature heart-shaped bangs aren’t just a fashion choice; they’re a warning cloaked in sweetness. Created to capture the flirtatious, fanservice-driven role seen in many K-pop groups, Romance turns every line into a near love confession—until you remember he's here to hunt.

He’s the one who holds eye contact a moment too long, whose graceful moves draw you in like a siren’s call. Joel Kim Booster voices him with effortless mischief, making every word feel like both a promise and a trap.

5. Baby Saja

Position: Main Rapper, Maknae
Singing Voice: Danny Chung
Voice actor: TBA

More About Baby:

Don’t be misled by the name—Baby is no angel. As the group’s youngest, he combines manic Gen Z energy with a touch of menace. He’s the chaotic maknae archetype taken to the extreme: impulsive, glitchy, and gloriously unhinged.

Whether it’s a sudden smirk or a line delivered like a dare, Baby thrives on unpredictability. He’s the kind of idol who doesn’t just bend the rules—he rewrites them mid-performance. Irresistibly wild and weirdly endearing, he’s the member most likely to steal your heart—and wreck it seconds later.

Read HUNTR/X Members Profile HERE

Latest Music Release:

EASY READ LYRICS HERE - Saja Boys Soda Pop [Hangul + English + Romanized]

Saja Boys - Soda Pop (Official Lyric Video) | K-Pop Demon Hunters | Netflix

Saja Boys - “Your Idol” Performance video | KPop Demon Hunters | Netflix

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