Girl group Bestie performed their new song "I Need You" for the first time.

On Mnet "M! Countdown" aired on August 28, Bestie sang their song "I Need You".

On this day, Bestie members wore school uniform outfits and showed off their slim figures as they sang their song.

"I Need You" is produced by HOMEBOY and has the typical bright and healthy charm of Bestie.