Bolbbalgan4 has dropped the highlight medley teaser for their upcoming album!

The duo released the teaser through their official YouTube channel on April 1. In the clip, a short sample of each track on the album can be heard, including title track "Bom." 

Meanwhile, 'Youth Diary 1: Flower Energy' is set for release on April 2.

Check out the highlight medley for the album above!