Nishiwaki Ayaka is a Japanese singer and dancer. She is known as one of the members of the Japanese electropop group Perfume. She was born and raised in Hiroshima, where she attended Actor's School Hiroshima with friends and current Perfume members Yuka Kashino and Ayano Ōmoto. Her younger sister Sayaka is a member of the group "9nine" Watch drama online for free.