Chu So-jung (Hangul: 추소정), better known as EXY[1] (엑시), was born on November 6, 1995 (age 24) in Busan, South Korea. She is the leader[1], main rapper[1] and sub-vocalist[citation needed] of the South Korean-Chinese girl group Cosmic Girls and is a member of its Sweet Unit.


EXY auditioned for JYP in 2008, but did not pass. She later trained for five years under Starship Entertainmet before debuting as a part of Cosmic Girls. She attended School of Performing Arts Seoul (SOPA) and graduated in 2013. In 2015, she was one of the contestants of Unpretty Rapstar 2, joining in episode 6 before being eliminated in episode 8. She also released a Mixtape in 2015.

EXY was revealed to be a member of Cosmic Girls on December 21, 2015 when she took part in a cover of Mariah Carey's "All I Want for Christmas Is You" along with SeolA, Bona, Dawon, Eunseo, Cheng Xiao, Mei Qi and Dayoung, and was later revealed to be a member of its Sweet Unit along with SeolA and Soobin on December 24, 2015 before debuting with the group as the leader and main rapper on February 25, 2016 with their mini-album Would You Like? and the single "MoMoMo".[4][6][7]



Title Year Peak Chart
Sales (DL) Album


"Starship Planet 2015" 2015 N/A N/A
"Love Therapy"
with Euna Kim
2017 N/A Non-album track
Sobae featuring EXY
2018 N/A Non-album track
"—" denotes that it did not chart or it was not released in that region


Music VideosEdit

Year Title Artist Role
2015 "Happy New Year" UNIQ Main


Year Title Role Notes
2015 Flatterer Se-rim Minor role[citation needed]


✓ = Participates as writer/composer/arranger

✖ = Not participated as writer/composer/arranger

Cosmic Girls DiscographyEdit

Album Song Writing Composer Arrange Ref.
Would You Like? (2016) "MoMoMo" (모모모)
"MoMoMo" (Chinese Ver.)(莫莫莫)
The Secret (2016) "Secret" (비밀이야)
"Prince" (짠!)
"Secret" (Chinese Ver.)(秘密)
From. WJSN (2017) "I Wish" (너에게 닿기를)
"Baby Come to Me"
"Say Yes" (주세요)
"Hug U" (이리와)
"I Wish" (Chinese Ver.)(触碰到你)
Happy Moment (2017) "Miracle" (기적 같은 아이) [9]
"Plop Plop" (퐁당퐁당)
"Follow Me"
Dream Your Dream (2018) "Dreams Come True" (꿈꾸는 마음으로) [10]
"Love O'Clock"
"Renaissance" (르네상스)
"Starry Moment" (설레는 밤)
"Thawing" (겨울잠)
"Dreams Come True" (Chinese Ver.)(無限大夢想)
WJ Please? (2018) "Save Me, Save You" (부탁해) [11]
"You, You, You" (너, 너, 너)
"I-Yah" (아이야)
"Masquerade" (가면무도회)
"Hurry Up"
"You & I" (2월의 봄)
WJ Stay? (2019) "La La Love" [12]
"You Got"
"Star" (1억개의 별)
"Memories" (그때 우리)
"Cantabile" (노래하듯이)
"12 O'clock"
"Ujung" (우주정가장)
For The Summer (2019) "Boogie Up" [13]
"Oh My Summer" (눈부셔)
"Let's Dance" (우리끼리)
"Sugar Pop"


Song Writing Composer Arrange
Sobae Feat. EXY (2018)

Official LinksEdit


  1. 1.0 1.1 1.2 1.3 1.4 1.5 EXY's "MoMoMo" profile.
  2. 2.0 2.1 2.2 Profiles on the Official Website.
  3. 3.0 3.1 EXY's Weekly Idol Profile. cr. kimbully0819 Retrieved January 20, 2019.
  4. 4.0 4.1 Sweet Unit Reveal. Retrieved October 29, 2018.
  5. Dream Your Dream αγύρτης Unit teaser.
  6. "All I Want for Christmas Is You" Cover. Retrieved October 28, 2018.
  7. Cosmic Girls Makes Long-Awaited Debut. Yonhap Retrieved October 29, 2018.
  8. Gaon Digital Chart. Gaon Music Chart Retrieved September 4, 2018.
  9. Happy Moment Tracklist. Retrieved October 29, 2018.
  10. Dream Your Dream Tracklist. Retrieved October 29, 2018.
  11. WJ Please? Tracklist. Retrieved October 29, 2018.
  12. @WJSN_COSMIC - WJ Stay? Tracklist. Retrieved January 12, 2019.
  13. For The Summer Tracklist. Retrieved June 8, 2019.
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