title of animae ?

Question

characters are two sexy females(one of which is chocolate) and three others with one transforming in to a giant demon and the other as his brother with magical powers

Answer 1

"Sorcerer Hunters" or "Bakuretsu Hunters" (Japanese name) is the series you refer to.

Carrot Glace is the guy who transforms into a demon. The two girls are Chocolate and Tira Misu.

It was available dubbed/subbed on four DVDs, but seems to be out of print now:
http://www.amazon.com/Sorcerer-Hunters-Complete-Collection/dp/B0000APVFI