Ryoko Inoue
Artist with "Moshimo koko de anata ni aetara" album

ryoko kuninaka
Artist with "furusato" album

Ryoko Moriyama
Artist with the following albums: "Original Best Hits", "In Nashville", "Satoukibi batake/Nada sou sou", etc...

Ryoko Shinohara
Artist with "BLOW UP" album

Ryoko Shintani, Kana Asumi
Artist with "Ryoko to Kana no Amagami Coming Sweet! OP ED Theme Song: ..." album

Ryoko Yano
Artist with "Ryoko Yano" album

Ryokyu Endo
Artist with "Song of Pure Land" album