One of nine performers for the hip hop group D-Crunch whose roles include rapper and maknae. His stage name is Jeongseung.
He began his training with All-S Company in November of 2017.
He was the 5th artist to be revealed as a member of D-Crunch. He and D-Crunch made their pre-debut with a digital single called "Geupsik" alongside special sub-unit Geupsik-Dan.
He is of Korean descent.
He performs alongside Kim Sangchan in the group D-Crunch.