A-gain

 is a single by Ray.

CD

 * 1) a-gain
 * 2) Kimi Toita Sora (君といた空)
 * 3) a-gain
 * 4) Kimi Toita Sora (君といた空)

DVD

 * 1) a-gain (MV)
 * 2) a-gain (MV Making)
 * 3) SPOT