Debut:
May 9, 2013
Jonghyo made his original debut with the disbanded boy group LC9 with the stage name "J-Hyo". The group disbanded in 2015 after the end of the members contracts.
In 2016 he redebuted in the group "Circus Crazy" with the stage name "Kizo". The group disbanded in 2017.
As of June 6th, 2020 he is an official member of boy group LU4US (also known as LU:KUS and formerly known as L.A.U) and is using his real name as his stage name.