Lee Su-hyun is a South Korean singer, actress, and member of the co-ed duo AKMU. Alongside Lee Hi, she was also part of the duo Hi Suhyun, formed in 2014.
Through the Netflix television series Temporary Idol, Lee made her acting debut by joining the main cast as a character depicting herself. She debuted as a solo artist on October 16, 2020, with the digital single 'Alien'.