For some reason everytime I saw Chitanda in the first few episodes I thought she looked like some kinda anime moe cockroach thing.
something about her hair.
Before someone makes this whole conversation irrelevant by bringing up Gokicha, submitted for your consideration is probably the worst example of "cockroach hair" in all of anime, Ururu from Bleach:
Compared to something like this, Chitanda looks perfectly human.
DVD, not Blu-ray? What's the point?
People who buy anime don't care about blu-ray; so saith various licensors.