"Peach" is a song by South Korean singer-songwriter and actress IU. It was released as a CD single, titled Spring of a Twenty Year Old, coupled with "Every End of the Day". Before releasing physically single, the song was pre-released as digital single on May 4, 2012 and later became to double A-side single. "Peach" was written and composed by IU. The song was a success in music chart.