Junghoon

On April 19, 2019, J-Kid debuted as a member of ENOi with their first digital single "Bloom". On January 22, 2021, Kithewhale Company announced through the group's fan cafe that ENOi had disbanded after Avin, Jinwoo, and J-Kid decided to terminate their contracts on the 31st, with the remaining four members continuing activities under the agency. On March 26, 2021, J-Kid, now known as his real name Junghoon, was officially revealed as one of the 11 members that were a part of the upcoming boy group OMEGA X.

The group debuted on June 30, 2021 with the mini album Vamos.