The song is the second collaboration in Zion.T's 'Song FARM!' series. The first one a collaboration with Giriboy through the song "Like a Joke", and the second collaboration will be with Kim Chung Ha. The pair actually went on to 'Comedy Big League' to promote the song, and how they managed that will be released through the episode later tonight at 10PM.
You can watch 'Song FARM!' through the M2 YouTube channel.