Ryoko Tokuno (徳野 涼子, Tokuno Ryōko; born 27 August 1974 in Matsuyama, Ehime) is a Japanese beach volleyball player. Tokuno competed at the FIVB Beach Volleyball World Tour between 1997 and 2005. In 2004 she qualified to the Summer Olympics, in Athens, alongside your long-time partner Chiaki Kusuhara. They won only one of the three matches in the group stage and did not advance to the medal round.
Source: “Ryoko Tokuno”, English Wikipedia (CC BY-SA 4.0), excerpt