[7][8] The record was held until tied with Psy's "Gangnam Style" and later broken by Lee Seung-gi's "Return", which earned six weeks at the top spot from December 2012 to January 2013.

[9][10] Last Fantasy was meant to reflect the period in the IU's life where she bids farewell to her childhood and prepares to meet maturity.

The music video (starring actor Lee Hyun-woo) brings out elements of fantasy and ties it together with a well-crafted story.

[11] On February 9, 2012, her agency uploaded a music video for the song "Last Fantasy" through its official YouTube channel.

This is a special gift for her fans, as the video reveals not only footage from the showcase, but also includes clips of IU touring the cities of Japan and her everyday promotions and activities.