KIM CHAEWON
LE SSERAFIM’s leader: compact power, clean vocals, ruthless timing, and a bob haircut that became an era-defining event by itself.

Early life and training
Chaewon trained under Woollim Entertainment and competed on Produce 48, finishing tenth and debuting in IZ*ONE. The group established her as a precise vocalist and dancer, but her image there leaned softer than the performer SOURCE MUSIC would later place at the center of LE SSERAFIM.
The useful profile is not a list of fan-assigned positions. LE SSERAFIM’s members overlap across singing, dance, variety, songwriting, and brand work. What matters is the repeatable skill KIM CHAEWON brings when a concept changes and the group still has to feel like itself.
Road to debut
After IZ*ONE ended, Chaewon moved from Woollim to SOURCE MUSIC. Her 2022 reintroduction was a genuine reset: shorter hair, sharper physicality, and the responsibility of leading a new group through immediate attention and an early lineup crisis.
LE SSERAFIM launched as HYBE and SOURCE MUSIC’s first girl group together. The name is an anagram of “I’M FEARLESS,” which sounds like marketing until you look at how often their music returns to the labor, bruises, anxiety, and stubbornness hiding underneath confidence.
2022–present: LE SSERAFIM
The group debuted with FEARLESS in May 2022, reorganized as five members after Kim Garam’s departure, and followed with ANTIFRAGILE, UNFORGIVEN, EASY, CRAZY, HOT, Japanese releases, tours, and festival appearances. Their strongest through-line is not “confidence.” It is effort made visible.
She anchors LE SSERAFIM through consistency. Her voice cuts cleanly through dense production, her movement stays readable at speed, and she knows how to intensify a chorus without visually swallowing the formation.
The five-member chemistry works because the members arrive from dramatically different histories: Japanese idol institutions, IZ*ONE, American musical theater, European ballet, and a teenage Korean trainee path. The group’s identity is the argument between those histories, not the erasure of them.
Performance style
She anchors LE SSERAFIM through consistency. Her voice cuts cleanly through dense production, her movement stays readable at speed, and she knows how to intensify a chorus without visually swallowing the formation.
LE SSERAFIM choreography asks for stamina and attitude while leaving nowhere to hide when the formation opens. KIM CHAEWON’s development is best judged across full stages, not a single viral close-up: breath, recovery, transitions, and whether character survives after the killing part ends.
RaeRae take: Chaewon is five feet of “we are absolutely finishing rehearsal.” Then she smiles, says something weird, and the disciplinary hearing is canceled.
Major eras and credits
| Year | Project | Era |
|---|---|---|
| 2022 | FEARLESS | Debut EP |
| 2022 | ANTIFRAGILE | “ANTIFRAGILE” · “Impurities” |
| 2023 | UNFORGIVEN | “UNFORGIVEN” · “Eve, Psyche & The Bluebeard’s wife” |
| 2024 | EASY / CRAZY | Two contrasting comeback cycles |
| 2025–2026 | HOT and later releases | Touring and global promotions |
Fandom notes and trivia
- FEARNOT is LE SSERAFIM’s fandom name.
- The group name rearranges the letters in “I’M FEARLESS.”
- KIM CHAEWON was born August 1, 2000.
- Individual member updates appear through official group channels and Weverse; unofficial fan accounts are not labeled as official here.