The song was written by Yoo Young-jin, which was also the writer of their previous lead singles "Twins (Knock Out)", "Don't Don", "Sorry, Sorry" and "Bonamana".
Lagu ini ditulis oleh Yoo Young-jin, yang juga menulis lagu-lagu mereka sebelumnya seperti "Twins (Knock Out)", "Don't Don", "Sorry, Sorry" dan "Bonamana".