• I. Introduction

    Cosmic Girls (우주소녀) also known as WJSN is a 13-member K-pop girl group under Starship Entertainment and Yuehua Entertainment.

    The members are EXY, SeolA, Bona, Soobin, Luda, Dawon, Eunseo, Yeoreum, Dayoung, Yeonjung, Xuan Yi, Cheng Xiao, and Mei Qi.

    WJSN debuted on February 25th, 2016 with their first mini-album "Would You Like?" which helmed their debut title track, "MoMoMo (모모모)".

    II. Meet The Members

    Name: SeolA (설아)
    Birthday: Dec 24th, 1994
    Position: Sub Vocal
    Instagram: @seola_s
    Name: EXY (엑시)
    Birthday: Nov 6th, 1995
    Position: Leader, Main Rapper & Vocalist
    Instagram: @exy_s2
    Name: Bona (보나)
    Birthday: Aug 19th, 1995
    Position: Sub Vocal, Leader Dancer, Rapper & Visual
    Instagram: @bn_95819
    Name: Eunseo (은서)
    Birthday: May 27th, 1998
    Position: Sub Vocal & Rapper
    Instagram: @eeunseo._.V
    Name: Dayoung (다영)
    Birthday: May 14th, 1999
    Position: Lead Vocalist
    Instagram: @dayomi99
    Name: Soobin (수빈)
    Birthday: September 14th, 1996
    Position: Main Vocalist
    Instagram: @soobly_s2
    Name: Yeoreum (여름)
    Birthday: January 10th, 1999
    Position: Sub Vocal & Rapper
    Instagram: @yeolum_e
    Name: Dawon (다원)
    Official Birthday: April 16th, 1997
    Real Birthday: May 27th, 1997
    Position: Main Vocalist
    Instagram: @naneun_dawon
    Name: Luda (루다)
    Official Birthday: March 6th, 1997
    Real Birthday: February 6th, 1997
    Position: Sub Vocal & Rapper
    Instagram: @e_lludda
    Name: Yeonjung (연정)
    Birthday: August 3rd, 1999
    Position: Main Vocalist & Maknae
    Instagram: @uyji__0803

    III. Members on Hiatus

    Name: Cheng Xiao (程瀟)
    Nationality: Chinese
    Position: Main Dancer, Sub Vocal, Visual & Face Of The Group*
    Birthday: July 15th, 1998
    Instagram: @chengxiao_0715
    Name: Xuan Yi (宣仪)
    Nationality: Chinese
    Birthday: January 26th, 1995
    Position: Lead Dancer & Sub Vocal
    Instagram: @w.xuanyi0126
    Name: Mei Qi
    Nationality: Chinese
    Birthday: October 15th, 1998
    Position: Main Dancer & Sub Vocal
    Instagram: @m.meiqi7

    IV. Chinese Members Solo Work

    While juggling Cosmic Girls activities, Xuan Yi and bandmate, Mei Qi, participated in the Chinese reality survival girl group show Produce 101 aired from April 21st to June 23rd on Tencent Video.

    Both Mei Qi and Xuan Qi made it into the final line-up of the girl group Rocket Girls on June 23rd, 2018. Xuan Yi placed 2nd overall with 181 million votes and Mei Qi ranked first with over 185 million votes, debuting as the "Center" for Rocket Girls.

    After completing Rocket Girls Mei Qi and Xuan Yi made their successful solo debuts and went on to pursue an acting career whereas Cheng Xiao has appeared on numerous variety shows and leading voice actress in the movie “Future Girlfriend Lab" released in November. Extended Plays

    V. Discography

    Extended Plays:

    Album Date
    Would You Like? (Debut) February 25th, 2016
    The Secret Mini-Album August 17th, 2016
    From.WJSN Mini-Album January 4th, 2017
    Happy Moment Full-Album June 7th, 2017
    Dream Your Dream Mini-Album February 27th, 2018
    WJ Please? Mini-Album September 19th, 2018
    WJ Stay? Mini-Album January 8th, 2019
    For The Summer Special Album June 4th, 2019
    As You Wish Mini-Album November 19th, 2019
    NEVERLAND June 9th, 2020
    UNNATURAL Mini-Album March 31st, 2021

    Promotional Singles:

    Single Date
    Kiss Me July 14th, 2017


    Collaborations Song Date
    Y Teen (WJSN and Monsta X) Do Better (두 베러) 2016
    Starship Planet Christmas Day (크리스마스데이) 2017
    WJMK (WJSN & Weki Meki) Strong (짜릿하게) 2018
    Starship Planet Christmas Time (벌써 크리스마스) 2018
    WJSN and Mickey Mouse It's a Good Time (Korean Version) 2018

    VI. Videography

    VII. WJSN Sub-units

    On September 23rd, 2020, Starship announced the formation of the new sub-unit WJSN Chocome, featuring members Luda, Dayoung, Soobin, and Yeoreum. They released their debut single album Hmph!, and its title track with the same name on October 7, 2020.

    And on April 26, 2021, Starship announced the formation of the group's second sub-unit WJSN The Black, featuring members Seola, Exy, Bona, and Eunseo. They released their debut single album My Attitude, and its title track 'Easy' on May 12, 2021.

    VIII. Trivia

    • On June 2nd, 2022, WJSN was crowned the final winner of “Queendom 2”.
    • Yeonjung is friends with Red Velvet's Yeri and TWICE's Sana.
    • Yeonjung was a member of IOI.
    • Yeonjung is an ex-SM trainee.
    • Dayoung competed in Kpop Star Season 1.
    • On MBC's 'Radio Star' Dayoung revealed her family's unfortunate circumstances from her parents' divorce to their crushing debt.

    My parents divorced in 2006. My father had a lot of debt, but it was all under my mom's name, and my dad said he'd go to Seoul, so they divorced. Back then, the debt was about 1.2 billion or 1.3 billion (~ 1 million or 1.1 million USD). "Since I was four, my parents had an eel store. After my father left, [my mom] had to do it alone. Every night, my mom cried when she looked at the bank book. And in 2007 Jeju island was hit by a typhoon. Our house got half immersed in the water and our sewer facility got clogged by leaves. My mother didn't know what to do, and I thought that I should at least scoop out the water alone, so I scooped out the water while swimming. I scooped the water all day until it came to my ankles. I even called 119 (Korean equivalent to 911) and received goods.

    • Bona is friends with Blackpink’s Jisoo.
    • Bona gained immense recognition as an actress for her portrayal of world champion and gold medalist fencer, 'Ko Yu-rim' in the tvN drama 'Twenty-Five Twenty-One'.
    • Soobin can play the piano, violin, and flute.
    • Soobin was a trainee for 7 years.
    • Luda has astigmatism.
    • Luda has rhinitis.
    • Eunseo and Dayoung are the best cooks.
    • Eunseo is a former Pledis trainee.
    • Yeoreum sleep talks.
    • Yeoreum is friends with Twice’s Chaeyoung.
    • Dawon can play the piano and guitar.
    • SeolA has Aquaphobia.
    • Seola was a trainee for 10 years.
    • Exy was on the 2nd season of 'Unpretty Rapstar'.
    • Exy writes and composes her own rap.


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