Brown Eyed Soul's Naul will be the first one to start the group's comeback relay single project.

On February 2nd, Santa Music updated the cover image for Brown Eyed Soul's single project with Naul's name and '1.FIRST: 2.05', indicating released date for his upcoming solo track.

As he is considered one of the best solo singers in the music industry, also he has been widely acknowledged for his writing and composing skills, many people are anticipating to listen to the new music from him as well as from the group.

Be sure to check out his solo song on February 5th.