Ayaka Nishiwaki (西脇 綾香, Nishiwaki Ayaka), nicknamed A~chan (あ～ちゃん, stylized as a-chan), is a Japanese singer and dancer. She is known as one of the members of the Japanese electropop group Perfume.
Known For:Acting
Birthday:1989-02-15
Place of Birth:Hiroshima, Hiroshima Prefecture, Japan
Also Known As:a~chan, 西脇 綾香, A~chan, あ～ちゃん, Aa-CHAN, Perfume
