On February 17, Brand New Music announced that, "Esbee's first debut single was produced by Esbee himself and Phantom's Kiggen. The lyrics include their sincere wish to sing in front of all, or at times just for one person. Phantom's youngest Hanhae added sweet rap on top in support of Esbee's debut."
His career as a singer took off as he was featured in many rappers music such as Ja Mezz, Basic, and more. His singing career will actively continue on with "I Just Wanna Sing" being the start.