"Spring of a Twenty Year Old" (Korean: 스무 살의 봄; RR: Seumusar-ui Bom) is a single album by South Korean singer-songwriter IU. It was released as a CD single. The single has a double A-side hit singles, "Peach" (Korean: 복숭아; RR: Boksung-a) and "Every End of the Day" (Korean: 하루 끝; RR: Haru Kkeut) which was also released digitally, consists of three tracks in total, one of which was composed by IU. It is the singer's first Korean-language release since the full-length album, Last Fantasy, that was released six months prior.. The latter topped Billboard Korea K-Pop Hot 100 for four consecutive weeks, making it IU's second number-one hit on the chart after "You and I". The single has sold over 34,400 copies in South Korea as of 2013.