"Erase" is a song about moving on from a past relationship. Hyolyn and Jooyoung sing about how they have both changed and incompatibility in their attitudes towards love has led to the end of their relationship. The song is about letting go of the memories and erasing their love for one another. The lyrics describe the difficulties of moving on and the temptations of meeting new people. However, they both know that it is time for them to say goodbye and leave the past behind. The song has a melancholic tone that captures the emotions associated with heartbreak and the struggle to move on.
