[Anime] Blade of the Immortal OP

The song is called Akai Usagi (赤いウサギ) or Red Rabbit…(Pulang Kuneho amp)
By: 枕草子(Makura no Soushi)
FILE DOWNLOAD HERE: http://www.filefactory.com/file/a172720/n/Blade_of_the_Immortal_-_Akai_Usagi.mp3