Haeun (하은), formerly known as Ye Ah (예아) and Unia (유니아), is a South Korean singer, vocal coach, and dance instructor. She is a member of the upcoming girl band LATENCY and a former member of the girl groups GOOD DAY and cignature, the dance crew ALDL, and the pre-debut kid group Littles.
Career[]
2012: Littles[]
In October 2012, she was introduced as a member of the pre-debut kids girl group Littles. They released the soundtrack "Flower" for the television drama, The Great Seer on October 10, 2012 and was planning to debut later that same year, then to 2014, but disbanded shortly afterwards.[1]
2017: GOOD DAY[]
On July 12, 2017, she was introduced as a member of C9 Entertainment's newest girl group GOOD DAY.[2] They debuted on August 30, 2017, with their first mini and only album All Day Good Day.[3]
2020–2021: cignature[]
On November 16, 2019, she was introduced as a member of C9 Entertainment's next girl group, cignature, under the stage name Ye Ah.[4][5] They debuted on February 4, 2020 with the digital single "Nun Nu Nan Na", now managed by the subsidiary J9 Entertainment.[6][7]
On April 27, 2021, it was revealed that Ye Ah and Sunn had left the group. It was stated that they had terminated their contracts without any conditions.[8]
Since then, she ended her idol activities and shifted her focus to dancing.
2022–2023: ALDL[]
On July 11, 2022, she was revealed as a member of the independent dance crew ALDL under the stage name Unia.[9] The group had halted activities in January 2023.
2025: LATENCY[]
On June 11, 2025, she is one of the members spotted during a practice for a band project with fellow former cignature members Jee won and Semi, LOONA and Loossemble's HyunJin and former Hashtag member Dajeong.[10]
On October 1, Haeun was announced as a member of the band LATENCY.[11]
Trivia[]
- She is the one who came up with cignature's group name.[12]
- On May 13, 2025, Unia revealed that she was abruptly expelled from cignature after failing to meet a "weight goal" set by C9 Entertainment. Furthermore, she shared that due to being in the industry for 10 years, she ultimately decided to retire to focus on other endeavours.[13]
Gallery[]
(Littles)
(GOOD DAY)
(cignature) (1)
(cignature) (2)
.png "Cignature Ye Ah Assa concept photo (2).png (303 KB)")
.png "Cignature Ye Ah Listen and Speak concept photo (1).png (1.28 MB)")
.png "Cignature Ye Ah Listen and Speak concept photo (2).png (1.28 MB)")
.png "Cignature Ye Ah Listen and Speak concept photo (3).png (2.08 MB)")
SNS[]
.png "@cignature J9 on Twitter - Happy Ye Ah Day (October 9, 2020).png (1.11 MB)")
.png "Happy Unia Day Instagram post (October 9, 2022).png (604 KB)")
References[]
- ↑ Littles were a kids girl group / pre-debut girl group under Nega Network - the company of LABOUM and U-Kiss
- ↑ Allkpop: New girl group Good Day introduce Heejin and Haeun
- ↑ Allkpop: Good Day 'Rolly' around in new MV starring Wanna One's Bae Jin Young
- ↑ Twitter: C9 GIRLZ Sixth Member Revealed - Ye Ah
- ↑ Soompi: C9 Entertainment Announces Name And Shares Logo For New Girl Group
- ↑ Soompi: C9 Entertainment Establishes New Agency For Girl Groups
- ↑ Soompi: Cignature Kicks Off Preparations For Exciting Debut With Teaser Schedule
- ↑ @cignature_J9 Twitter post (April 27, 2021)
- ↑ @aldl_official Instagram post (July 11, 2022)
- ↑ @nugupromoter on X (June 12, 2025)
- ↑ @latency_official on Instagram (October 1, 2025)
- ↑ cignature on All the K-POP's "Secret Idol Friends" (March 19, 2020)
- ↑ @signfanuniverse on Twitter (May 13, 2025)
Official links[]
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