Mayo Okamoto (岡本 真夜, Okamoto Mayo, born January 9, 1974, in Nakamura, Kōchi) is a Japanese pop singer and songwriter.
[1] Her 1995 debut single "Tomorrow" peaked at number 1 on the Oricon weekly single charts.
She released her greatest hits album Rise 1 in 2000.
It was alleged that the promotional song for Expo 2010 Shanghai China, "Right Here Waiting for You 2010", was plagiarized from Okamoto's 1997 song "Sonomama no Kimi de Ite".
[2] Okamoto's agency later announced that the Expo Committee subsequently requested permission to use the song, to which Okamoto's agency agreed.