Wanna One

Wanna One (워너원; also stylized as WANNA·ONE) was a South Korean boy group under Swing Entertainment. The group was formed by CJ E&M through Mnet's reality competition survival show Produce 101 Season 2, where they had contract of a year and a half of promoting together. They officially made their debut with their first mini album 1X1=1 (To Be One) on August 7, 2017.

Their exclusive contract ended on December 31, 2018. However, Wanna One still attended award shows and held a final concert Therefore, which was held between January 24-27, 2019, where the group disbanded on the final day of the concert.

Pre-debut: Produce 101 Season 2
In February 2017, it was reported that the next season of the successful Produce 101, Produce 101 Season 2, was confirmed for filming. In contrast to last season where they formed a unit girl group, it was announced that this season it will be a boy group that will be formed from a pool of 101 trainees from 54 entertainment companies. The show premiered on April 7, 2017 and its finale aired on June 16, 2017, with the 11 winners forming a boy group. The group's debut lineup included Yoon Jisung and Kang Daniel from MMO Entertainment, Ha Sung Woon from Ardor & Able, Hwang Min Hyun from Pledis Entertainment, Ong Seong Wu from Fantagio, Kim Jae Hwan, an independent trainee, Park Ji Hoon from Maroo Entertainment, Park Woo Jin and Lee Dae Hwi from Brand New Music, Bae Jin Young from C9 Entertainment and Lai Kuan Lin from Cube Entertainment.

It was revealed that after the final concert of Produce 101 Season 2 at the beginning of July is over, the group will be preparing for their debut. It was also revealed that they will be advertising for school uniform brand, Ivy Club, which was noted as this was before the finale occurred.

2017: Debut
After signing with YMC Entertainment, Wanna One officially debuted on August 7, 2017 with their first mini album 1X1=1 (To Be One). The title track was determened through a fan vote, with the two decisions being "Energetic" or "Burn It Up". The former won the fan vote, serving as the title track for the album.

On November 13, Wanna One released a repackged edition of the album, 1-1=0 (Nothing Without You). "Beautiful" was used as the title track. The other four new tracks released were "I Wanna Have", "Twilight" and the prequel remixes of the previous title track and "Burn it Up".

2018: Further releases, unit project and contract expirations with YMC and Swing
The group made a comeback on March 19, 2018 with the single "Boomerang" from their second mini album, 0+1=1 (I Promise You). The special theme track "I.P.U. (I Promise You)" was pre-released on March 5 along with its music video.

Wanna One then announced the next month that they would be splitting up into four different sub units for hip-hop, rock, EDM and R&B hits for their first special album, 1÷x=1 (Undivided), released on June 4, 2018, after their contract with YMC expired on May 31 and would be managed under Swing Entertainment. The names of the units were Triple Position (Jaehwan, Daniel and Woojin), Lean On Me (Jisung, Sungwoon and Minhyun), The Heal (Seongwu and Daehwi) and No.1 (Jihoon, Jinyoung and Kuanlin). The song "Light" was used as the title track, while the four B-sides were also used during their promotions.

The group released a teaser video on October 30, 2018, and then later revealed the name of their first studio album, 1¹¹=1 (Power Of Destiny). Released on November 19, "Spring Breeze" was used as the title track.

On December 18, 2018, Swing announced that Wanna One's contract would come to an end on its planned date, December 31. On the same day, their contract officially ended.

2019: Final concert and disbandment
Wanna One still attended year-end award shows after their contract expired on December 31, 2018. In January 2019, the group announced that they would be doing a final concert Therefore that would run for four days. It ran between the 24 and the 27 of the same month. The latter day was the final day of the concert, and afterward, they concluded activities and officially disbanded.

Studio albums

 * 1¹¹=1 (Power Of Destiny) (2018)

Mini albums

 * 1X1=1 (To Be One) (2017)
 * 1-1=0 (Nothing Without You) (2017)
 * 0+1=1 (I Promise You) (2018)

Special albums

 * 1÷x=1 (Undivided) (2018)

Digital singles

 * "I Promise You (I.P.U.) - Special Theme Track" (2018)

Showcases

 * Wanna One Premier Show-Con (2017)

World tours

 * One: The World (2018)

Concerts

 * Wanna One Final Concert - "Therefore" (2019)

Trivia

 * It was revealed that the members will be solely focusing on their activities with the group during their contract period, unlike members of I.O.I, who were able to be active with groups under their own agencies at the same time.
 * In their logo, there are exactly eleven vertical strokes signifying eleven members.
 * They are the first male K-Pop group to debut with 11 members.

Aftermath
After Wanna One ended their promotions in December 2018, the following events happened:


 * Jisung made his solo debut on February 20, 2019 with his first mini album Aside. He is also an actor.
 * Sungwoon is also a former member of HOTSHOT and officially debuted as a soloist on February 28, 2019 with the mini album My Moment.
 * Minhyun returned to promoting as a member of NU'EST while the other four members (three of them in which they participated in Produce 101 along with him) formed the subgroup NU'EST W in 2017 (the W in the name means that they're waiting for Minhyun to return) and is also an actor.
 * Seongwu debuted with his first mini album Layers on March 25, 2020. He is an actor as well.
 * Jaehwan made his official debut as a soloist on May 20, 2019 with his first mini album Another.
 * Daniel was not able to debut as a solo artist until July 25, 2019 with his first special EP Color On Me.
 * Jihoon made his debut as a soloist on March 26, 2019 with the mini album O'Clock. In addition, he is an actor (he was known as a child actor, as he appeared in various dramas and musical theatres).
 * Woojin and Daehwi debuted as members of AB6IX on May 22, 2019 with their mini album B:Complete.
 * Jinyoung debuted as a soloist on April 26, 2019 with his single album Hard To Say Goodbye before re-debuting as a member of his label's newest boy group CIX on July 23, 2019 with their first EP,  'Hello' Chapter 1. Hello, Stranger.
 * Kuanlin made his acting debut on October 23, 2019 with the Chinese drama, A Little Thing Called First Love, as the lead male, with his character name being Liang Younian. Before that, he debuted with PENTAGON member Wooseok (who, along with his fellow groupmate Hui, co-wrote the lyrics to Wanna One's debut song, "Energetic") under his label's newest unit duo, Wooseok x Kuanlin, on March 13, 2019 with 9801 being their debut mini album.
 * However, on June 17, 2021, it had been revealed from the Seoul Central District Court that Kuanlin ended up winning his lawsuit to terminate his contract with the agency, and the unit effectively disbanded. This was after he sent a request in July 2019 to terminate his contract in which he had his management rights sold to a third-party company, though four months later, his contract termination request had been dismissed from the court.