HISTORY 히스토리 Was A Five-Member South Korean Group Formed In 2013 Under LOEN Entertainment. The Group Consists Of Yijeong Main Vocal Dokyun Main Vocal Jaeho Sub-Vocal And Rapper Kyungil Leader Sub-Vocal Rapper And Sihyoung Rapper . They Debuted On April 26 2013 With Their First Single Album DREAMER The Title Track Of Which Was Narrated By Labelmate IU. They Disbanded On May 12 2017.