Lee Ayumi (born on August 25, 1984), professionally known as Ayumi (previously Ahyoomee) in South Korea and Yumi Itō (previously ICONIQ) in Japan, is a Japanese-born South Korean singer, actress and entertainer based in Japan and South Korea. She debuted under the stage name Ahyoomee in 2001, as the leader and lead vocal of South Korean girl group Sugar until the group's disbandment in 2006. Following the disbandment, Lee embarked on a solo career in South Korea under SM Entertainment, releasing two digital singles.