Tsugunaga Momoko (嗣永桃子) is a former Japanese idol and talent under Hello! Project. She first joined as a member of Hello! Project Kids in 2002 and later debuted as a member of Berryz Koubou in 2004. During her time in Hello! Project, she was the leader of the unit Buono! as well as a member of ZYX, ZYX-a, BeriKyuu, and Hello Pro Sentai Pink Rangers. She graduated from Berryz Koubou on March 3, 2015 in a joint graduation concert with the other members of the group. The same day, she officially became a member of Country Girls as the playing manager. On June 30, 2017, Tsugunaga graduated from Country Girls and Hello! Project and retired from the entertainment industry to work in education
