New boy group ZEST shared what they were doing in the standby room before their first debut stage.

On August 12, ZEST official Facebook posted pictures from what ZEST was doing before their performances.

In the pictures, the ZEST members were in their horseback riding concept outfits  and posing with the gifts and cakes from their fans.

ZEST will perform to "Last Night's Story," a song that will relate audiences even in the older age range.

ZEST's debut stage will be on the SBS MTV "The Show" on August 19.