Secret Friend of Idols

Lee Jae-yun

이재윤

I Če-jun

Kim Hong-joong

홍중

Kim Hong-džung

Park Seong-hwa

성화

Pak Song-hwa

Jeong Yun-ho

윤호

Čong Jun-ho

Kang Yeo-sang

여상

Kang Jo-sang

Choi San

산

Čchwe San

Jung Woo-young

우영

Čong U-jong

Choi Jong-ho

종호

Čchwe Čong-ho

Moonbyul

문별

Younghoon

영훈