This was the animated film called Memories of Nobody that distributed by Toho Company, ltd. Which directed by Noriyuki Abe and written by Masashi Sogo and Tite Kubo (original manga). It was based on anime and manga series called BLEACH that debuted on theaters in Japanese on last December 16, 2006. The set of this movie was followed after the Soul Society rescue arc, just after Ichigo Kurosaki returns to his real world.
The music theme of this movie is Overcome the Thousands of Nights (Sen no Yoru o Koete) song by Aqua Timez. Here’s the download torrent of the movie, Fudlldls.com (701mb).