The reason IU directly answered the constraints on the scale of her new song's promotion and styling.

News has emerged that IU personally explained her thoughts regarding fans' disappointment over the promotion of her new song and her styling. In particular, she revealed that the decision to reduce the scale of promotion was her own, not the agency's, and also mentioned that she faces various styling limitations due to a contact allergy. Since she personally addressed the questions fans were curious about, it seems to have provided an opportunity to better understand aspects of her activities that had not been previously known.