Arasan Appreciation Thread #7 (Animation)

Previous thread: https://dis.4chan.org/read/anime/1349463339

All the juicy links:
http://pastebin.com/0DBLYNjk

Be excellent to each other.

http://www.youtube.com/watch?v=IvfChQyYJGg

I just discovered this

Somebody to explain what is it ?

They produced some oav's after eureka seven in the time ?