On September 15th, through the recording of a live show, "The Muzit," MBLAQ's G.O and Nassun ended the promotions of their duet track, "O-IWI-O", as they performed their last stage together. Nassun revealed his thoughts about the short-lived promotions, as he commented after the recording, "I had fun performing with G.O. It's sad to see our promotions end compared to how long we've prepared for our duet, but I think it was time for us to go back to our respective places again. ... Everyone please keep loving G.O, and look foward to my first album that will be released soon." Meanwhile, G.O and Nassun started their promotions back in September 5th, and they have performed once on each of the three music shows, Music Bank, Music Core, and Inkigayo.