Original song by Hatsune Miku. I use the VSQ to make both of them sing. Another duet with Rin again! Sorry, a bit mistake while mixing. Part at 2:09 should be at 2:19 ^^;; Reprint > http://www.youtube.com/watch?v=jLHcOMtiRpw . List of my other video > mylist/17995392 . Her voicebank can be download at her blog > http://utaunenami.blogspot.com