A.C.E (South Korean band)

A.C.E () is a South Korean boy group formed by Beat Interactive, and co-managed with Swing Entertainment. The group consists of five members: Jun, Donghun, Wow, Kim Byeongkwan, and Chan. The group debuted on May 23, 2017, with the single "Cactus".
History.
Pre-debut.
Jun trained under Jellyfish Entertainment alongside VIXX before transferring to CJ E&M. He appeared on Mnet's "I Can See Your Voice" as Kangta's look-alike. Donghun competed on Superstar K5 prior to becoming a trainee under CJ E&M, and later appeared on I Can See Your Voice as well, winning the episode and earning high praise from Got7's JB. Wow trained at YG Entertainment alongside Winner before later moving to CJ E&M, where he met Jun and Donghun. Kim Byeongkwan participated in Season 1 of K-pop Star but was eliminated during the final round of casting. He also trained under JYP Entertainment alongside Chan.
2017–present.
On May 23, 2017, A.C.E released their debut single album "Cactus", a Hardstyle song produced by Zoobeater Sound. A.C.E released their second single album "Callin"' on October 19, 2017. On March 15, 2018, the group released a special single titled "5TAR (Incompletion)", with the song serving as a gift to fans after their brief hiatus to join The Unit and MixNine.
On June 7, 2018, A.C.E released their repackaged album, "A.C.E Adventures in Wonderland," with their title track "Take Me Higher". Group member Chan did not take part in this album due to his promotions with temporary boy group UNB, after winning 9th place on survival show The Unit earlier that year. 
Group members Kim Byeongkwan and Donghun won 4th and 8th place respectively on survival show Mixnine in January 2018. They would have debuted in a temporary boy group, but the MIXNINE debut was cancelled later that year. 
A.C.E featured on Dj Hcue Track single "I Feel So Lucky" that was released on September 14, 2018.
On May 17, 2019, A.C.E released their second album "Under Cover" with the title track of the same name.
A.C.E released their third album, "Under Cover : The Mad Squad" on October 29, 2019, with the title track "Savage".
A.C.E released their fourth album, "HJZM: The Butterfly Phantasy" on September 2, 2020, with the title track "Favorite Boys". On January 8, 2021, a remix of the song by American DJ Steve Aoki, featuring the Nigerian-American rapper Thutmose, retitled "Fav Boyz", was released.
On February 5, 2021, it was announced that Swing Entertainment will co-manage A.C.E alongside Beat Interactive. Swing Entertainment will be in charge of artist's domestic broadcasting appearances, while Beat Interactive is in charge of production, global marketing, artist care management and fan marketing.
On April 16, 2021, A.C.E released the collaboration single "Down", featuring Grey.