G-Dragon and iKON like to keep things in the YG Family.

iKON, the newest group from YG Entertainment, are slated to release their full debut album "Welcome Back" this week, and got some help from one of their famous label mates for one of the tracks.

G-Dragon, leader and producer for YG's world-famous boy band Big Bang, was revealed as one of the composers and lyricists for iKON's upcoming single "I Miss You So Bad."

On Dec. 19, YG Entertainment released the poster for the new song through the company's official blog.

The image includes details about the track, chiefly that it was written by G-Dragon and iKON members B.I and Bobby, and that G-Dragon had composed the song with DEE.P, who also took the care of the arrangement.

"I Miss You So Bad" and the full album "Welcome Back" will be released on Dec. 24 at midnight KST.