Woollim Rookie (미스틱루키즈) is a pre-debut team of trainees under Woollim Entertainment.
These trainees have graduated from Woollim Rookie, and are now artists under Woollim Entertainment.
- Lee Hyeop (이협)
- Hwang Yun Seong (황윤성)
- Joo Chang Uk (주창욱)
- Kim Dong Yun (김동윤)
- Kim Min Seo (김민서)
- Cha Jun Ho (차준호)
Past members consist of former trainees who have left Woollim Entertainment or the Woollim Rookie project.
- So Yoon (소윤) (left approx. August 2018)