# Haseul

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This article is about the singer. For her album, see [HaSeul (single album)](/source/HaSeul_(single_album)).

**Cho Ha-seul** (; born August 18, 1997), known [mononymously](/source/Mononym) as **Haseul** (occasionally stylized as **HaSeul**) is a South Korean singer. She is the leader of [Loona](/source/Loona), its sub-unit [Loona 1/3](/source/Loona_1/3), and a member of [Artms](/source/Artms).

## Early life

Cho Ha-seul was born August 18, 1997, in [Suncheon](/source/Suncheon), [Jeolla](/source/Jeolla), South Korea and raised in Beolgyo.[1] She sang in a children's choir while she was in elementary school.[2] Haseul went to high school in the United States for one year. Instead of pursuing her original plans to study opera in college, Haseul became a [Blockberry Creative](/source/Blockberry_Creative) trainee after she was cast at a song festival her music teacher convinced her to participate in.[3]

## Career

### 2016–2022: Debut with Loona and sub-unit Loona 1/3

Further information: [Loona](/source/Loona) and [Loona 1/3](/source/Loona_1/3)

[Blockberry Creative](/source/Blockberry_Creative) began releasing teasers for the third member of [Loona](/source/Loona) in early December 2016.[4] Haseul was revealed as the third member on December 8.[5] On December 15, Haseul officially debuted as a member of [Loona](/source/Loona) through her [eponymous single album](/source/HaSeul_(single_album)) with tracks "Let Me In" and "The Carol" featuring fellow members [Heejin](/source/Heejin) and [Hyunjin](/source/Hyunjin_(Loona_singer)).[6]

In January 2017, Haseul collaborated with fellow member Yeojin for the song "My Melody" on [Yeojin's debut solo album](/source/YeoJin_(single_album)).[7] On March 13, Haseul debuted alongside members Heejin, Hyunjin, and ViVi in Loona's first sub-unit [Loona 1/3](/source/Loona_1/3) with the mini album *[Love & Live](/source/Love_%26_Live_(EP))*.[8] Haseul officially debuted with Loona as a full group on August 20, 2018 with the release of their debut EP [*\[+ +\]*](/source/%2B_%2B_(EP)).[9]

On November 28, 2022, [JTBC](/source/JTBC) Entertainment News reported that nine members of Loona, including Haseul, had filed an application for a provisional injunction to suspend their exclusive contract with Blockberry Creative, following member [Chuu](/source/Chuu)'s expulsion three days earlier.[10]

### 2023–present: Solo activities and re-debut with Artms

Further information: [Artms](/source/Artms)

In June 2023, after her contract with Blockberry Creative was suspended, Haseul signed with the label Modhaus to join fellow Loona members Heejin, Kim Lip, Jinsoul, and [Choerry](/source/Choerry) in a new project, where they would eventually debut as [Artms](/source/Artms).[11][12]

On September 6, Modhaus announced Haseul's first small theater concert series, "Music Studio 81.8Hz", to be held from October 26 to 29 and teased the reveal of an unreleased song.[13] On October 26, Haseul released the teased solo song "Plastic Candy" as a digital single.[14] On December 9, 2024, Haseul released her second digital single "Fragile Eyes".[15]

In April 2025, Haseul's contract with Blockberry Creative was officially ruled invalid by a judge.[16]

In September, Modhaus announced Haseul's second small theater concert series, "Our Fairytale", to be held on October 25 and 26.[17] On September 18, Haseul released her third digital single "Love Poison".[18]

## Personal life

Haseul took a hiatus from entertainment industry activities from January 2020 to May 2021 due to anxiety.[19][20]

Haseul and her family are avid [Kia Tigers](/source/Kia_Tigers) fans, and Haseul has thrown the first pitch and sung the national anthem at multiple games.[21][22][23]

## Discography

For Haseul's discography with [Loona](/source/Loona), [Loona 1/3](/source/Loona_1/3), and [Artms](/source/Artms), see [Loona discography](/source/Loona_discography), [Loona 1/3#Discography](/source/Loona_1/3#Discography), [Artms#Discography](/source/Artms#Discography).

### Singles

List of singles as lead artist, showing year released and name of the album Title Year Peak chart positions Album US World [24] "Let Me In"[a] 2016 14 HaSeul "Plastic Candy" 2023 — rowspan="3" "Fragile Eyes" 2024 — "Love Poison" 2025 —

### Songwriting credits

All songwriting credits are adapted from the [Korea Music Copyright Association](/source/Korea_Music_Copyright_Association)'s database.[25]

Title Year Artist Album "Playback" 2022 Loona Flip That

## Videography

For Haseul's videography with [Loona](/source/Loona), [Loona 1/3](/source/Loona_1/3), and [Artms](/source/Artms), see [Loona discography#Videography](/source/Loona_discography#Videography), [Loona 1/3#Videography](/source/Loona_1/3#Videography), [Artms#Videography](/source/Artms#Videography).

Title Year Ref. "Plastic Candy" Music Studio 81.8Hz Ver. 2023 [26] "Fragile Eyes" Lyrics Video 2024 [27] "Love Poison" Mood Video 2025 [28]

## Filmography

For Haseul's filmography with [Loona](/source/Loona), see [Loona#Filmography](/source/Loona#Filmography).

### Web series

Year Title Role Ref. 2017–2018 Do You Remember When We First Met? Cho Haseul [29]

## Notes

1. credited to Loona, but the track is a solo by Haseul

## References

1. Lee, Seung-rok (April 1, 2017). ["ko:\[MD인터뷰\] 이달의 소녀 "매달 한명씩 멤버 공개...완전체 2018년 데뷔""](https://www.mydaily.co.kr/page/view/2017040112207006651). *My Daily*. Retrieved September 7, 2025.

1. Lee, Ho-yeon (March 14, 2017). ["ko:\[팝인터뷰③\]이달의 소녀 1/3, 오디션부터 예능까지 '가수가 된 이유'"](https://www.heraldpop.com/article/1266031). *[Herald Pop](/source/Herald_Pop)*. Retrieved September 7, 2025.

1. Noh, Jin-hwan (March 12, 2017). ["ko:'이달의 소녀 1/3' 하슬 "가수의 길 만들어준 건 음악선생님""](https://www.edaily.co.kr/news/read?newsId=01088966615862664&mediaCodeNo=258). *Edaily*. Retrieved September 7, 2025.

1. Son, Ye-Ji (December 1, 2016). ["ko:이달의 소녀, 세 번째 멤버 실루엣 티저 공개"](https://m.entertain.naver.com/home/article/312/0000222686). [Ten Asia](/source/Ten_Asia). Retrieved September 7, 2025.

1. Lee, Ho-yeon (December 8, 2016). ["ko:이달의 소녀, 세 번째 멤버는 톰보이st 하슬 '반전매력'"](https://www.heraldpop.com/article/1172821). *[Herald Pop](/source/Herald_Pop)*. Retrieved September 7, 2025.

1. Moon, Kyung-min (December 15, 2016). ["ko:걸그룹 이달의 소녀 '하슬', 솔로곡 '소년,소녀' 베일 벗었다...'블록버스터 트랙' 출처"](https://www.sedaily.com/NewsView/1L59776DSW). *The Seoul Economic Daily*. Retrieved September 7, 2025.

1. Kim, So-kyung (January 14, 2017). ["ko:'이달의 소녀' 하슬-여진, '마이 멜로디' M/V 티저로 풋풋함 선사"](https://m.entertain.naver.com/home/article/312/0000232766). [Ten Asia](/source/Ten_Asia). Retrieved September 7, 2025.

1. Noh, Yoon-jung (March 13, 2017). ["ko:이달의 소녀, 첫 유닛 출격...오늘(13일) '지금, 좋아해' 음원&MV 공개"](https://www.heraldpop.com/article/1265425). *[Herald Pop](/source/Herald_Pop)*. Retrieved September 7, 2025.

1. Herman, Tamar (August 17, 2018). ["Loona Announces First Formal Single 'Hi High': Watch a Teaser"](https://www.billboard.com/articles/columns/k-town/8470693/loona-announces-hi-high-teaser-video). *[Billboard](/source/Billboard_(magazine))*. [Archived](https://web.archive.org/web/20180818113006/https://www.billboard.com/articles/columns/k-town/8470693/loona-announces-hi-high-teaser-video) August 18, 2018 at the Wayback Machine. Retrieved September 23, 2025.

1. Park, Sang-hoo (November 28, 2022). ["ko:\[단독\]이달의 소녀 비비·현진 제외 9명 계약 해지 소송 중"](https://entertain.naver.com/read?oid=437&aid=0000323087) [[Exclusive] 9 contract cancellation proceedings excluding Loona Vivi and Hyunjin] (in Korean). [JTBC](/source/JTBC). [Archived](https://web.archive.org/web/20221128085004/https://entertain.naver.com/read?oid=437&aid=0000323087) November 28, 2022 at the Wayback Machine. Retrieved September 23, 2025. – via [Naver](/source/Naver)

1. Yeo, Gladys (June 21, 2023). ["LOONA's Haseul signs with Modhaus, joins ARTMS project"](https://www.nme.com/news/music/loona-haseul-signs-modhaus-contract-joins-artms-project-3458662). *[NME](/source/NME)*. Retrieved September 7, 2025.

1. Chin, Carmen (May 31, 2024). ["ARTMS drop trippy music video for new single, 'Virtual Angel'"](https://www.nme.com/news/music/artms-virtual-angel-music-video-debut-3761132). *[NME](/source/NME)*. Retrieved September 7, 2025.

1. Ahn, Byeong-gil (September 6, 2023). ["ko:하슬, 첫 소극장 콘서트 연다"](https://sports.khan.co.kr/article/202309060720003). *Sports [Kyunghyang Shinmun](/source/Kyunghyang_Shinmun)*. Retrieved September 7, 2025.

1. Kim, Ji-hye (October 26, 2023). ["ko:아르테미스 하슬, 솔로 신곡 '플라스틱 캔디' 발매..특별한 설렘"](https://www.heraldpop.com/article/3244882). *[Herald Pop](/source/Herald_Pop)*. Retrieved September 7, 2025.

1. Dutta, Debashree (December 13, 2024). ["HaSeul Explores Isolation in Her New Single 'Fragile Eyes'"](https://rollingstoneindia.com/haseul-explores-isolation-in-her-new-single-fragile-eyes/). *[Rolling Stone](/source/Rolling_Stone) India*. Retrieved September 7, 2025.

1. Kim, Jun-tae (April 17, 2025). ["ko:'소속사와 분쟁' 이달의소녀, 전속계약 무효소송 일부 승소"](https://www.yna.co.kr/view/AKR20250417118600004?input=1195m). *[Yonhap News Agency](/source/Yonhap_News_Agency)*. Retrieved September 7, 2025.

1. Ahn, Byeong-gil (September 23, 2025). ["ko:아르테미스 하슬, 소극장 콘서트 '우리들의 Fairytale' 개최"](https://sports.khan.co.kr/article/202509231420003). *Sports [Kyunghyang Shinmun](/source/Kyunghyang_Shinmun)*. Retrieved September 23, 2025.

1. Kim, Jong-eun (September 18, 2025). ["ko:아르테미스 하슬, 솔로로 돌아온다"](https://enews.imbc.com/News/RetrieveNewsInfo/476821). *[MBC](/source/Munhwa_Broadcasting_Corporation)*. Retrieved September 18, 2025.

1. Oh, Bo-ram (January 8, 2020). ["ko:이달의소녀 하슬, 불안 증상으로 활동 중단"](https://www.yna.co.kr/view/AKR20200108045800005). *[Yonhap News Agency](/source/Yonhap_News_Agency)*. Retrieved September 7, 2025.

1. Hong, Hye-nim (June 2, 2021). ["ko:이달의 소녀 하슬, 활동 재개...1년 6개월 만 완전체 컴백"](https://www.hankookilbo.com/News/Read/A2021060208560005736). *[Hankook Ilbo](/source/Hankook_Ilbo)*. Retrieved September 7, 2025.

1. Cho, Nam-so (April 29, 2022). ["ko:시구ㆍ시타 하는 걸그룹 '이달의 소녀'"](https://www.yna.co.kr/view/PYH20220429172200054). *[Yonhap News Agency](/source/Yonhap_News_Agency)*. Retrieved September 7, 2025.

1. Kim, Min-sung (July 14, 2024). ["ko:애국가 부르는 아르테미스 하슬"](https://sports.donga.com/article/all/20240714/125925888/1). *Sports [Donga](/source/The_Dong-A_Ilbo)*. Retrieved September 7, 2025.

1. Kwon, Hyuk-joon (June 7, 2025). ["ko:'KIA 찐팬' 데이식스 원필, 11일 광주 KIA-삼성전 시구 나선다"](https://www.news1.kr/sports/baseball/5806637). *News1*. Retrieved September 7, 2025.

1. ["Let Me In"](https://www.billboard.com/charts/world-digital-song-sales/2020-01-13/). *[Billboard](/source/Billboard_(magazine))*. January 13, 2020. Retrieved November 9, 2025.

1. ["KOMCA search"](https://www.komca.or.kr/foreign2/eng/S01.jsp). Korea Music Copyright Association. Retrieved July 15, 2025. Credit for "Playback" can be found by searching the song's ID:100004262195

1. [*ko:하슬(HaSeul) 'Plastic Candy' (Music Studio 81.8Hz Ver.)*](https://www.youtube.com/watch?v=wYSj0Cxw2r4) (Video). November 8, 2023. – via [YouTube](/source/YouTube)

1. [*ko:하슬(HaSeul) 'Fragile Eyes' Lyrics Video*](https://www.youtube.com/watch?v=7QxCNu2yZDg) (Video). December 9, 2024. – via [YouTube](/source/YouTube)

1. [*ko:하슬(HaSeul) 'Love Poison' Mood Video*](https://www.youtube.com/watch?v=5t_JPo891kI) (Video). September 18, 2025. – via [YouTube](/source/YouTube)

1. Lee, Ho-yeon (September 27, 2017). ["ko:이달의소녀 희진·현진·하슬 주연 웹드라마, 2천만뷰 돌파"](https://www.heraldpop.com/article/1460398). *[Herald Pop](/source/Herald_Pop)*. Retrieved September 7, 2025.

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Adapted from the Wikipedia article [Haseul](https://en.wikipedia.org/wiki/Haseul) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Haseul?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.