GroupC9 Entertainment
EPEX
EPEX is a South Korean boy group under C9 Entertainment that debuted on June 8, 2021 and has built its strongest identity around the serialized Youth era. The current seven-member lineup includes Wish, Mu, A-Min, Baekseung, Ayden, Yewang, Jeff. After expanding that arc across the full-length releases Youth Chapter 1 : YOUTH DAYS, Youth Chapter 2 : YOUTH DEFICIENCY, and Youth Chapter 3 : ROMANTIC YOUTH, the group moved into its June 2026 comeback with Youth : Epilogue, a title framed as the closing statement to the series. That continuity has given EPEX a cleaner narrative lane than many peers in the same market tier, and it is a major reason the group’s comeback rollouts land with more weight than a routine teaser cycle.
0 articles4 creditsDebut: June 8, 2021South Korean
Gallery
Discography
2026
Youth : EpilogueEP
2025
Youth Chapter 3 : ROMANTIC YOUTHAlbum
2024
Youth Chapter 2 : YOUTH DEFICIENCYAlbum
2024
Youth Chapter 1 : YOUTH DAYSAlbum
Fans Also Ask
How many members are in EPEX?
EPEX is currently active as a seven-member boy group under <a href="/brands/c9-entertainment">C9 Entertainment</a>. The lineup is Wish, Mu, A-Min, Baekseung, Ayden, Yewang, and Jeff after the group continued as seven following Keum’s 2025 departure.
When did EPEX debut?
EPEX debuted on June 8, 2021 under <a href="/brands/c9-entertainment">C9 Entertainment</a>. The group entered the market with <em>BIPOLAR Pt.1 : Prelude of Anxiety</em> and later expanded its catalog with the long-running Youth series.
What is Youth : Epilogue by EPEX?
<em>Youth : Epilogue</em> is EPEX’s seventh EP and the group’s June 2026 comeback project. The title positions the release as the closing statement to the Youth era that ran through <em>Youth Chapter 1 : YOUTH DAYS</em>, <em>Youth Chapter 2 : YOUTH DEFICIENCY</em>, and <em>Youth Chapter 3 : ROMANTIC YOUTH</em>.
Why is EPEX's Youth era important?
The Youth run gave EPEX a clearer long-form identity than many mid-tier boy groups get to sustain. By carrying the concept across multiple full-length releases before landing on <em>Youth : Epilogue</em>, the group turned a normal comeback cycle into a serialized narrative fans can follow.
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