 If you liked
Ergo Proxy
|
 ...then you might like
Black★Rock Shooter (OVA)
|
If you liked the mood and the atmosphere of Ergo Proxy, than you'll find Black★Rock Shooter an interesting anime. I can't ensure so much vibe as in Ergo Proxy, but I think Black★Rock Shooter is really worth watching. Even if it's only for those dark flashes from the shinigami world.