On March 17th, Lee Seung Chul's label revealed a teaser featuring AKMU's Suhyun on its official YouTube channel. According to the label, the veteran singer has been working with AKMU since last October for his 35th debut anniversary. It was reported Chanhyuk wrote the song.
The collaboration song is set to release on March 19 at 6 PM KST. Stay tuned for updates.