High School DxDハイスクールD D Sin's and virtue's of a diamond devil

Stixx is a devil/angel hybrid but not just any devil. He's a diamond devil, the result of a devil who's clan has stopped the sin in there blood. this results in a new type of bat-like wings to emerge, that are covered in diamonds instead of leather. this is the story of how Stixx what's to restore the diamond devils back to the devil territory where they rightfully belong.