tough one to judge
The art at the very begging isn't as good as the rest of the vid but over all its quite well animated however the content went slightly over the tasteful line. By that I don't mean because of the concept of the animation it's self but rather how you chose to show them. (For example on the zoom in on the anus when the worms popped out you could have just shown his strained face and worms come out from under him.) For this I'm thinking you a 6 but I'm giving you one point more for not being afraid to "go there" and the complete originality of the story.