WJSN
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40 free WJSN trivia questions with answers — music quiz, new questions added Oct 2026.
WJSN arrived in 2016 as one of K-pop's biggest line-ups, a Korean-Chinese group whose members were introduced a few at a time before they ever shared a stage. Since then the story has had plenty of turns: a late addition to the roster, members leaving for careers in China, sub-units with very different moods, and a television contest win that put the group back in the spotlight. This quiz leans on the members, because that is what most fans want to test. You will be asked to name the member from a detail of her career, from acting roles and solo releases to survival-show finishes, and to place the songs, mini albums and side projects that mark each era of the group. It is written for fans who know every member's story and for newer listeners still putting names to faces. Every answer comes with a short explanation, so you finish knowing a little more than when you started.
30 of 40 questions with answers and explanations. Play the quiz
Q 01Which 2019 WJSN song became a New Year's Day tradition in South Korea, topping real-time charts on January 1 mornings?
As You Wish
As You Wish climbs back up each January 1 because many young Koreans believe the first song heard on New Year's Day sets their luck for the year.
Q 02The K-pop group WJSN, whose Korean name is romanised as Ujusonyeo, is also known by which English name?
Cosmic Girls
Cosmic Girls was built as a joint Korean-Chinese project, with a line-up meant to appeal to audiences in both South Korea and China.
Q 03Which WJSN member played the gold-medal fencer Ko Yu-rim in the 2022 hit drama Twenty-Five Twenty-One?
Bona
Bona filmed the role alongside Kim Tae-ri and Nam Joo-hyuk, and the shooting schedule kept her out of the first two rounds of a TV contest WJSN went on to win.
Q 04Which WJSN member finished first on the Chinese edition of the survival show Produce 101 in 2018?
Meiqi
Meiqi topped the final with more than 185 million votes, which made her the centre of the new group the show formed.
Q 05WJSN beat Loona, Viviz, Kep1er, Brave Girls and Hyolyn to win which Mnet competition show in June 2022?
Queendom 2
Queendom 2 ended with a live finale on June 2, 2022, and WJSN followed the win a month later with a special single album.
Q 06Before debut, future WJSN members released a cover of which American singer's signature Christmas hit in December 2015?
Mariah Carey
Mariah Carey's All I Want for Christmas Is You was the song, released while the line-up was still being unveiled unit by unit, two months before the group's debut.
Q 07The stage name of WJSN dancer Yeoreum is the Korean word for which season of the year?
Summer
Summer is what yeoreum means in Korean. She was introduced in December 2015 as part of the Joy Unit, alongside Xuanyi and Eunseo.
Q 08WJSN's Cheng Xiao won a gold medal in which event at the Idol Star Athletics Championships in September 2016?
Rhythmic gymnastics
Rhythmic gymnastics suited the trained dancer, who took gold in 2016 and came back for a bronze medal at the next edition.
Q 09WJSN's thirteenth member was still active in which survival-show project group when she joined in July 2016?
I.O.I
I.O.I was formed from the top eleven of Produce 101, where she placed eleventh to claim the final spot before joining WJSN.
Q 10Which South Korean agency, also home to Ive and Cravity, formed WJSN and has managed the group since 2016?
Starship Entertainment
Starship Entertainment launched its first girl group, Sistar, in 2010, and built WJSN in 2015 together with a Chinese partner label.
Q 11Which WJSN member, the group's leader, trained as a vocalist until vocal nodules pushed her to switch to rap?
Exy
Exy revealed the switch after appearing as a contestant on King of Mask Singer in 2016, and she has since co-written songs on several WJSN mini albums.
Q 12Which WJSN member joined in July 2016, months after the debut, and won V-1, a 2019 contest for girl-group vocalists?
Yeonjung
Yeonjung beat Dreamcatcher's Siyeon in the V-1 final to be named Vocal Queen among girl-group members.
Q 13Seven WJSN members teamed up with which boy group, a label mate, to form the 2016 project unit Y-Teen?
Monsta X
Monsta X and the WJSN members fronted a campaign for the telecom company KT, whose Y-Teen mobile plan was aimed at teenagers.
Q 21Which 2018 WJSN mini album, the first promoted by only ten members, brought the group a first music show win?
WJ Please?
WJ Please? earned the trophy on The Show on October 2, 2018, for the single Save Me, Save You, while the three Chinese members were working in China.
Q 22Which June 2017 release was the first full-length studio album from WJSN, arriving after three mini albums?
Happy Moment
Happy Moment arrived weeks after WJSN's first solo concert, two Seoul shows in May 2017 that drew about 2,000 fans.
Q 23Which 2020 single led Neverland, the first WJSN release to sell more than 100,000 copies?
Butterfly
Butterfly was composed and co-written by Galactika, the production team behind several of Itzy's biggest hits, in a first collaboration with WJSN.
Q 14Two Chinese members of WJSN stepped away in 2018 to join which group, formed on a Tencent survival show?
Rocket Girls 101
Rocket Girls 101 took the top eleven finishers of the show, and the two WJSN members stayed with the group until it disbanded in June 2020.
Q 15Which mini album did WJSN debut with in February 2016, led by the singles Mo Mo Mo and Catch Me?
Would You Like?
Would You Like? arrived with twelve members; the line-up only reached thirteen later that year, on the second mini album.
Q 16Which WJSN sub-unit, launched in 2020 with the single Hmph!, featured Soobin, Luda, Yeoreum and one other member?
Chocome
Chocome was announced in September 2020 and debuted that October, and the quartet returned in January 2022 with a second single album, Super Yuppers!
Q 17What name do WJSN's fans go by, a word the group also used in the title of a 2023 fan concert?
Ujung
Ujung is the name of WJSN's official fan club, and two members helped write a song with the same title for the 2019 mini album WJ Stay?
Q 18Which WJSN member, born in Jeju, made her solo debut in 2025 with the single album Gonna Love Me, Right?
Dayoung
Dayoung led the release with the song Body, fourteen years after she appeared on the TV contest K-pop Star at the age of 12.
Q 19WJSN's Seola and Luda joined two members of which girl group for the 2018 project single Strong?
Weki Meki
Weki Meki's Choi Yoo-jung and Kim Do-yeon completed the quartet, a special unit the two groups' agencies put together under the name WJMK.
Q 20Before WJSN debuted, the group's leader competed in 2015 on which South Korean rap survival show?
Unpretty Rapstar 2
Unpretty Rapstar 2 brought her in as a mid-season addition in episode 6, and she lasted until episode 8, months before WJSN's debut.
Q 24WJSN covered Navillera, a 2016 chart-topper by which girl group, in the cover round of a 2022 Mnet contest?
GFriend
GFriend took Navillera to number one in South Korea for two weeks in 2016; the WJSN version placed third in the cover round.
Q 25Which single did WJSN release in July 2022 as a comeback, a month after winning an Mnet competition show?
Last Sequence
Last Sequence fronted the special single album Sequence, the group's first album in more than 15 months.
Q 26WJSN launched in 2015 as a joint project between its South Korean agency and which Chinese talent company?
Yuehua Entertainment
Yuehua Entertainment supplied the three Chinese members, who left WJSN in March 2023 when their contracts expired.
Q 27Which WJSN member sat out the group's winning run on a 2022 Mnet contest while on a break for her health?
Dawon
Dawon paused her activities in February 2022 to be treated for anxiety, then returned to re-record the winning song for the single album that followed.
Q 28WJSN's Seola made her solo debut in January 2024 with which single album?
Inside Out
Inside Out made her the first Korean member of WJSN to debut solo, and its lead single Without U put her in front of a live band instead of a dance routine.
Q 29WJSN The Black, the 2021 sub-unit featuring Seola and Eunseo, debuted with which single album?
My Attitude
My Attitude and its title track Easy came out on May 12, 2021, making The Black the second sub-unit drawn from WJSN.
Q 30WJSN's Cheng Xiao played Tong Yao in Falling into Your Smile, a 2021 Chinese drama set in which professional world?
Esports
Esports is the setting: her character joins the team ZGDX and becomes the first official female player in the league's Chinese division.