Golden Child (Korean: 골든 차일드; abbreviated as GNCD or GolCha) is a South Korean boy band formed by Woollim Entertainment in 2017. The group debuted on August 28, 2017, with their EP, Gol-Cha!. Originally an eleven-piece group, Park Jae-seok later departed from the group in January 2018.
In January 2017, Woollim Entertainment launched pre-debut project for trainees, W Project. Five member of Golden Child (Joochan, Jangjun,
Tag, Daeyeol, Donghyun) and former member Jaeseok were introduced under the pre-debut project.
On May 15, Woollim Entertainment launched new boy group Golden Child, it's their first boy group in seven years since Infinite. On May 17, it was revealed the eleven member names of the group's line-up. On May 22, Woollim Entertainment dropped "class photos" concept for Golden Child and confirmed would be appeared in reality show 2017 Woollim Pick. On August 9, it was announced that Golden Child would make a cameo appearance on 20th Century Boy and Girl.
Golden Child officially debuted on August 28 with their first EP Gol-cha!, with a total of six tracks including the title track "DamDaDi". Their debut showcase was held at the Blue Square iMarket Hall on the same day as the album's release. On September 1, Golden Child made their official debut stage on the music program Music Bank, with performing title track "DamDaDi" and "I Love You So". On September 17, the EP has reached No. 1 on Japan’s largest music site Tower Records’ daily chart. On October 16, they released a soundtrack Love Letter on 20th Century Boy and Girl.
2018: Jaeseok's Departure, Miracle, Goldenness, and Wish
On January 6, 2018, it was announced that Jaeseok had left the group due to health issues. The remaining ten members continued as a group with releasing their second EP, Miracle, on January 29. The EP contains six tracks including the title track "It's U". Their comeback showcase was held at the Blue Square iMarket Hall on the same day as the album's release. They continue the promotions with release music video for "Lady" from their second EP. On April 13, they announced officially finished their three month promotions.
On May 22, Golden Child held first fanmeeting Golden Day to celebrate their first debut anniversary in Seoul, South Korea. They also held Japanese fanmeeting in Nagoya and Tokyo on May 24 and May 25 respectively. On June 24, Golden Child performed at KCON NY 2018. On 11 August, Golden Child performed as the line-up for KCON LA 2018. Continuously, they confirmed their line-up for the first ever 'KCON Thailand' on 29 September 2018.
On May 4, Golden Child announced their official fans club named 'Goldenness'. Following the released of their first single album Goldenness on July 4, where contains of three track with the lead single "Let Me".
At the Fanclub inauguration ceremony named 'Golden Child Cheerful Geumdong Time' on 14 October, they surprised their fans by announcing their comeback. On October 24, Golden Child held the showcase and released their 3rd EP WISH. This EP had 7 tracks including the title track "Genie" with more mature image.