Blue & Blue

 is the first single released by Akita Kazue.

Type A CD

 * 1) Blue & Blue
 * 2) Sekaichuu de Ichiban Kantan de Muzukashii Kotoba (世界中で一番簡単で難しい言葉)
 * 3) Sayonara Breezin' (さよならBreezin')

Type B CD

 * 1) Blue & Blue
 * 2) Sekaichuu de Ichiban Kantan de Muzukashii Kotoba (世界中で一番簡単で難しい言葉)
 * 3) Re-start

Type C CD

 * 1) Blue & Blue
 * 2) Sekaichuu de Ichiban Kantan de Muzukashii Kotoba (世界中で一番簡単で難しい言葉)
 * 3) Lovin' you (Piano arrange ver.)