Group EPEX confirmed their comeback for April 26 KST.

On March 28 KST, their agency announced, “EPEX has released the timetable image of their 5th EP ‘Love Book Chapter 2. Growing Pains’ through their official SNS today at midnight”.

According to the released timetable, EPEX will release three versions of the concept photo, track list, and four lyric videos starting March 30 KST. Then the title song music video teaser and album preview will be released sequentially, followed by a YouTube live a week before the release and a mention party the day before the release. In addition, they prepared a dance challenge to communicate non-stop with fans and countdown to their comeback. On April 26, along with the release of the main music video, the album will be released and full-fledged comeback activities will begin.

On the March 27, EPEX announced their comeback by unexpectedly releasing a logo animation containing the narrative of 'Growing Pains' through their official YouTube channel.

Their agency added, “With their 4th EP ‘Book of Love Chapter 1. Puppy Love’, they sold more than 100,000 copies in the first week of debut and won meaningful awards at various awards ceremonies". 

Meanwhile, EPEX's 5th EP 'Book of Love Chapter 2. Growing Pains' will be released on April 26 at 6PM KST on various online music sites.