해원
Haewon (해원) is the leader of NMIXX, the JYP Entertainment girl group who debuted on 22 February 2022. She shares the lyric credit on 'PODIUM' and 'Crush On You' from the group's first full-length album Blue Valentine.
Haewon (해원) is a member and the leader of NMIXX, the six-member JYP Entertainment girl group. She debuted with them on 22 February 2022 with the single album AD MARE, and Financial News named her as the group’s leader in its report on the debut showcase.
She also writes. In its introduction to the first full-length album Blue Valentine (2025), JYP Entertainment said Haewon took part in writing the lyrics of ‘PODIUM’, and that ‘Crush On You’ was written jointly by the rapper SINCE and Haewon.
The group’s official YouTube channel is the place to start. K-Culture Radar links to official uploads rather than re-hosting them, so that channel and the Korean music shows are where to follow her.
Sullyoon and Haewon appear on the Daejeon episode of SBS's Whenever Possible
An episode filmed in Sullyoon's home city. At KAIST the two sang 'Hello, Gabby!' on the spot at a fan's request.
Explainer · Read the storyJYP Entertainment
NMIXX are a six-member girl group under JYP Entertainment — Lily, Haewon, Sullyoon, Bae, Jiwoo and Kyujin. They debuted on 22 February 2022 with the single album AD MARE and its title track 'O.O', and took their first music-show win in August 2024 with '별별별 (See that?)'.
NMIXX's fifth mini album Heavy Serenade, released on 11 May 2026, carries six songs, and five of them credit Lily or Bae as a lyricist. The title track's words are by HANRORO. It topped Hanteo Chart's weekly physical album chart and Circle Chart's album and download charts.
Sullyoon and Haewon of NMIXX spent a day in Sullyoon's home city of Daejeon on the episode of SBS's Whenever Possible broadcast on 20 January 2026. At KAIST they sang 'Hello, Gabby!' on the spot for a member of the fan club NSWER, and Xports News reported that the episode led all Tuesday variety shows.
NMIXX's first headline world tour, EPISODE 1: ZERO FRONTIER, opened at Incheon's Inspire Arena in November 2025, four years after the group debuted. It went through five European cities and six North American ones in spring 2026, and grew to 19 shows in 17 cities once five Asian dates were added.
JYP Entertainment announced on 17 August 2026 that Kyujin of NMIXX had featured on 'Take A Chance', a single by the saxophonist Jason Lee. Genie Music's album information credits her not only as a featured and backing vocalist but as one of its lyricists.
The French dermo-cosmetics brand Bioderma named Sullyoon of NMIXX its brand ambassador as it brought Atoderm Facial Lotion to Korea on 26 August 2026. Vegan News and BetaNews reported the appointment on 20 August, and the brand's official YouTube channel posted a campaign film with Sullyoon on 24 August.
