1
He also featured in a performance with HF soloist Lee Sieun (former member of RAMISU).
2
Yoojun joined Boys24 and was ranked #17.
3
Yoojun was in Dreamcatcher's "Full Moon" MV.
4
Yoojun was a trainee under Woollim before joining Happyface.
5
He acted in the webdrama "Lemon Car".