TOMORROW X TOGETHER member YEONJUN will release his first-ever solo mixtape, “GGUM,” on September 19. “GGUM” is YEONJUN’s first solo track released under his name since debuting as a member of TOMORROW X TOGETHER in March 2019.

“GGUM,” which is a romanization of the Korean word for “gum,” expresses YEONJUN’s confidence and ambition on stage.

He actively participated in every stage of creating the song, from its theme and lyrics to the composition and performance details, right up to its completion.