OkaeriOkaeri is the 9th single from Ayaka. It was released on May 14, 2008.OverviewOkaeri is used as the theme song for the drama series, Zettai Kareshi. Ayaka was asked by Yuu Watase, the manga artist of Zettai Kareshi, to create a theme song. She wrote the song with her music producer after reading the whole series. First press contains a special photo card.