Rei Ami: Biography, Voice Roles, and Music Career

If you’ve scrolled through TikTok anytime since 2020, you’ve likely heard Rei Ami’s voice — even if you didn’t know her name. Her guest feature on Sub Urban’s “Freak” turned her into a viral sensation, and now she’s bringing her vocals to the big screen as the singing voice of Zoey in the musical film KPop Demon Hunters.

Full Name: Sarah Yeeun Lee · Born: May 25, 1995 · Nationality: South Korean and American · Occupation: Singer, Rapper, Actress · Known For: KPop Demon Hunters (2025) · Monthly Spotify Listeners: 28.9 million

Six key details, one pattern: Rei Ami’s career is built on a foundation of verified biography and measurable milestones, but some personal details remain private.

Who does Rei Ami voice?

What voice roles has Rei Ami taken?

• Rei Ami provides the singing voice for Zoey in the 2025 musical film KPop Demon Hunters (Wikipedia).
• She also contributed rapping vocals for the same character on the film’s soundtrack (Wikipedia). Track titles include “Golden,” “How It’s Done,” “What It Sounds Like,” and “Takedown” (soundtrack version) (Wikipedia).
• Beyond film, she appeared on Saturday Night Live as a featured performer (IMDb).

The pattern: Rei Ami’s voice work is currently tied to one major project, but her vocal range — both singing and rapping — suggests potential for more animated and musical roles.

Is Rei Ami a voice actor in anime?

• She has not yet been credited in a traditional anime series. Her role in KPop Demon Hunters — a musical film with anime-inspired aesthetics — is her closest connection to the medium (KPop Demon Hunters Wiki – Fandom).
• A 2025 profile from All American Speakers describes her as a “Grammy-nominated singer-songwriter,” but does not list anime voice credits.

The catch: Rei Ami isn’t an anime voice actress yet — but with a high-profile musical film under her belt, the door is open.

Is Rei Ami Korean or Japanese?

What is Rei Ami’s ethnic background?

• Rei Ami is South Korean by birth and holds both South Korean and American citizenship (Wikipedia).
• Some sources also label her as Korean-American, reflecting her upbringing in the United States (KPop Demon Hunters Wiki – Fandom).
• Her stage name “Rei” is Japanese, but she has no known Japanese ancestry. The name appears to be an artistic choice.

The implication: Her cross-cultural identity allows her to bridge the K-pop and American pop worlds — a rare positioning that gives her an advantage in today’s global music landscape.

Where was Rei Ami born?

• Seoul, South Korea (Wikipedia). She later moved to Germantown, Maryland, and graduated from the University of Maryland, College Park in 2018 (KPop Demon Hunters Wiki – Fandom).

The pattern: Growing up in the U.S. shaped her musical style, but her Korean roots give her authenticity in the K-pop sphere — a balance few artists maintain.

What is Rei Ami famous for?

What is Rei Ami’s music career?

• She skyrocketed to fame through her guest appearance on Sub Urban’s “Freak” (released March 13, 2020), which went viral on TikTok (Wikipedia). The song peaked at No. 28 on Billboard’s Hot Rock & Alternative Songs chart (Wikipedia).
• Her debut mixtape Foil dropped on June 25, 2021, featuring collaborations with Aminé and Lolo Zouaï (KPop Demon Hunters Wiki – Fandom).
• She now draws 28.9 million monthly listeners on Spotify and is signed to Republic Records as of 2025 (Wikipedia).

The pattern: Rei Ami’s career is built on a single viral hit, but she’s steadily expanded through mixtapes and label support to become a recognized voice in pop and K-pop.

What acting projects has Rei Ami done?

• Her most prominent acting credit is KPop Demon Hunters (2025), where she provides the singing and rapping voice for the character Zoey (Wikipedia).
• She also appears in the short film “Sub Urban Feat. Rei Ami: Freak” (2020) and has a credit on Saturday Night Live as a musical performer (IMDb).

The implication: While her filmography is short, the KPop Demon Hunters role marks a meaningful entry into voice acting — and could lead to more if the film performs well.

“Spending the day with a titan — Ani-May collaboration with Crunchyroll.”

— Rei Ami, Instagram post

“Rei Ami is a Grammy-nominated singer-songwriter whose voice has captivated millions.”

— All American Speakers profile

Rei Ami has successfully leveraged a viral hit into a multifaceted career spanning music and voice acting. But the challenge now is to transition from featured artist to headliner. With Republic Records behind her and a starring role in a major musical film, she has the platform to do it. For Rei Ami, the next step is clear: own the spotlight, not just the feature.

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