I don't actually know what A Certain Scientific Railgun is, but I do know Attack on Titan whose English translation is still ass backwards. Apparently a Taiwanese video production workshop called Akira Workshop are combining the two properties for a fan film. For something that's basically being done on a budget of zero to negative money spent, it looks pretty good. Here's the teaser video, but the full thing will be out on Monday. http://www.youtube.com/watch?v=xJtA5j4yIX8