Place of Birth: Hiroshima, Hiroshima Prefecture, Japan
Homepage:
Also Known As: a~chan, 西脇 綾香, A~chan, あ~ちゃん, Aa-CHAN, Perfume
Biography: 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.