"Step by Step" . . . . . . . "2011-10-19Z"^^ . "Your Best Friend"@en . . "\"Your Best Friend\" is the 37th single by Japanese singer Mai Kuraki. It was released on October 19, 2011 on the Northern Music record label."@en . . "1002.0"^^ . "Your Best Friend" . . . "1354.0"^^ .