山岸理子 (Yamagishi Riko) is a Japanese pop singer and dancer under Hello! Project as a member and leader of Tsubaki Factory. She first joined Hello! Project as a member of Hello Pro Kenshuusei in June 2012 and was introduced at the June 2012 recital alongside Nomura Minami.
Known For:Acting
Birthday:1998-11-24
Place of Birth:Chiba, Japan
Also Known As:Yamagishi Riko (山岸理子), Yamagishi Riko, Riko-Riko, りこりこ