IU has been known as the title 'nation's little sister' since her rise to stardom, but she stated that she rather not be called by that.
On March 14, in the broadcast of SBS Radio 'K.Will's Young Street', she was asked about the nickname, and IU said, "The first generation of the 'nation's little sister' is Lim Ye Jin sunbaenim and below her, everyone is equal."
IU added, "I just want to be a nation's citizen... There are a lot of celebrities who are holding the title of the 'nation's little sister' these days, so I don't think it holds much meaning."
She also shared how she and Kim Yuna became friends, saying, "We once did a variety show together and sang a duet song, so I became friends with her," sharing how she got close with the figure skater through her variety show 'Kiss and Cry' and their duet song "Ice Flower".