Ayako Mori , known professionally as Salyu is a Japanese singer, produced by Takeshi Kobayashi. She debuted in 2000 as the fictional singer Lily Chou-Chou for the film All About Lily Chou-Chou, and later debuted as a solo artist in 2004. She is best known for her charity single collaboration with Bank Band in 2006, "To U." Salyu has also worked as a voice actress for the Japanese-language version of the game Professor Layton and the Diabolical Box (2007), in which she voiced the character Mrs. Rose . In 2011, Salyu embarked on a new solo project going by the name salyu × salyu .