Ijun

In October 2017, he became a contestant on JTBC's reality survival show MIXNINE under his birth name Jo Youngho. He was eliminated in episode 10 after ranking 52nd place. On February 24, 2020, he was revealed to be one of the members of the boy group Shooter-X under the stage name Yijun.

On October 13, it was announced that Yijun would be leaving the group due to personal reasons. On November 13, 2023, he was revealed as a member of the upcoming boy group WAKER under the stage name Ijun. They made their debut on January 8, 2024 with the mini album Mission of School.