Jang Ha-eun is a South Korean musician and actress. She graduated at Korea National University of Arts with a major in classical guitar. She made her big screen debut as a lead actress in the music film Da Capo in 2020. In 2021, she participated as a classical guitarist in the JTBC audition program Super Band 2 and made it to the finals with her band POCO a POCO (later renamed POCO) which placed fifth overall. In 2022, she debuted as a theater actress in musical Love Trilogy and as a singer-songwriter with her first solo mini album Once Again.