is a Japanese professional wrestler and idol. She was trained by Emi Sakura and debuted for her Ice Ribbon promotion in May 2006, at the age of nine. She would work for the promotion for the next six years, becoming the its first Triple Crown Champion, having won the ICE×60 Championship, the International Ribbon Tag Team Championship and the Triangle Ribbon Championship once each. She also became a DDT Jiyugaoka Six-Person Tag Team, DDT Nihonkai Six-Man Tag Team and UWA World Trios Champion, unifying the three titles in July 2010, teaming with The Great Kojika and Mr. #6. Riho left Ice Ribbon in September 2012 to join Gatoh Move Pro Wrestling, a new promotion founded by Emi Sakura, who had left Ice Ribbon the previous January. In November 2014, Riho won the IWA Triple Crown Championship.