She was nominated for the Excellence in Acting Award (Best Actress in a Serial Drama) at the 2013 KBS Drama Awards.For the drama, she released a recording with her co-star Jo Jung-suk of her self-composed duet, "Beautiful Song" (Korean: In the same period, IU released her second Japanese extended-play album, Can You Hear Me? Two tracks from the album were released as singles; "Beautiful Dancer" and "New World" peaked at number 66 and 76 respectively on the Billboard Japan Hot 100, ranking significantly lower than her Japanese-translated versions of "Good Day" and "You and I", which were top 10 releases.In place of the usual 4–5 minute music video that usually accompanies a single release, a 26-minute-long documentary-style music film was shot in Venice and Burano and released alongside the album, featuring both "Peach" and "Every End of the Day".
Almost two years after Last Fantasy, IU released her third studio album, Modern Times, on October 8, 2013.
It was described to be "a big shift from the young singer's K-pop roots" that showcased a "more mature and sophisticated sound and image" than her previous work.
With the success of her 2011 albums, Real and Last Fantasy, IU established herself as a formidable force on the music charts of her native country and further cemented her girl next door image as Korea's "little sister".
2011 also saw her first foray into songwriting with "Hold My Hand", which was written for the television series The Greatest Love.
She signed with Kakao M (formerly LOEN Entertainment) in 2007 as a trainee and began her music career at the age of 15 with her debut album, Lost and Found. IM, brought her mainstream success, but it was through "Good Day" (Korean: ), the lead single from her 2010 album Real, that she achieved national stardom.
"Good Day" spent five consecutive weeks at the top position of South Korea's Gaon Digital Chart, a joint record along with Psy's "Gangnam Style".If I had become successful as soon as I made my debut, I wouldn't appreciate my staff members and the popularity that I'm enjoying now.") was also featured in Growing Up; a new rock-style arrangement of the song was released as the follow-up single to "Boo".Towards the end of 2009, IU released her second extended play, IU... She began promoting its lead single, "Marshmallow" (Korean: ), on music programs across the three major television networks from November 13, 2009."Lost Child" is the lead single from her debut extended play Lost and Found, which was released on September 24, 2008.For the album, IU was awarded the "Rookie of the Month" by South Korea's Ministry of Culture, Sports and Tourism in November 2008. During an interview in 2011, IU said, "My first album failed, but I'm grateful for that.IU's third full-length album release, Modern Times (2013), showcased a more mature style that was a departure from her established girlish image, with several tracks reaching the top 10 positions on Gaon Digital Chart.