Aya Matsuura (?? ??, born June 25, 1986) also known to her fans as Ayaya, is a Japanese pop singer, actress and model from Himeji, Hyogo, Japan. Her husband is Keita Tachibana and as a result, her legal name is Aya Tachibana (???).
Is a popular idol singer in Japan, with three albums and seventeen singles (as of Feb 2005), under the famous Hello! Project record label (which also produces the pop supergroup Morning Musume).
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Môsô sôsa: Kuwagata Kôichi junkyôju no stylish na seikatsu