Welcome to the org
Your song / anime combo was good, but the video could have used some more sync and better flow. You should also try to avoid showing the characters' lips moving (known as lip flap) unless you're trying to do lip sync. I always recommend that new users check out this guide on sync here:
http://www.animemusicvideos.org/forum/v ... =2&t=92942 . It does a really good job at explaining the different kinds of sync and what each type is used for. I'd also recommend that you check out this video guide by Vivifx that talks about flow
https://youtu.be/J5Jjxb6Lw7s