Golden Child (Korean: 골든차일드; 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!.[2] The group consists of ten members: Daeyeol, Y, Jangjun, Tag, Seungmin, Jaehyun, Jibeom, Donghyun, Joochan and Bomin, former member Jaeseok officially left the group due to health issues in early 2018.