EPEX [‘i:peks] (이펙스), formerly known as C9ROOKIES (C9루키즈) is an 8 member boy group under C9 Entertainment. The group consists of: Wish, Keum, MU, A-Min, Baekseung, Ayden, Yewang and Jeff. They debuted on June 8th, 2021 with the mini album Bipolar Pt.1 Prelude of Anxiety. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.