???? (Nakazawa Yuko, ?? ??, Nakazawa Y?ko, born June 19, 1973 in Kyoto Prefecture, Japan) is a Japanese pop and enka singer, and actress, best known as one of the original members of the all-female J-pop group ???????. She became the first leader of the group, and is to date the oldest to be in it. Yuko was the first member of MoMusu to start a solo career before there were even sub-groups, releasing her debut single in 1998.