I am not gonna link to "unofficial" uploads of it. Though it is very easy to find, all you have to do is to just search for it. And actually you don't even have to do that as I think I actually found an official version of it: https://www.vudu.com/content/browse/details/Perfect-Blue/15836
It would be helpful if there was a link (English dubbed or subtitles) would be helpful to watch "the movie".
I am not gonna link to "unofficial" uploads of it. Though it is very easy to find, all you have to do is to just search for it. And actually you don't even have to do that as I think I actually found an official version of it: https://www.vudu.com/content/browse/details/Perfect-Blue/15836
Also, here is the trailer: https://www.youtube.com/watch?v=a1kZIiLmS0k