C9 Entertainment's upcoming rookie boy group EPEX is gearing up for their debut.

On June 2 at midnight KST, the boys have dropped a highlight medley for their 1st mini-album, 'Bipolar Pt.1: Prelude of Anxiety'. As the group's debut mini-album title suggests, EPEX's upcoming release is packed with powerful yet catchy songs. Their title song "Lock Down" leaves a strong first impression just from the revealed snippet of the song.  

EPEX's 1st mini-album 'Bipolar Pt.1' features 5 tracks, and it is set to drop on June 8 at 6 PM KST. Check out the highlight medley above and stay tuned until their grand debut.