Junsei Tenshi Primity☆Ciel ~Sekai to Tomo ni Ochiru Shoujo-tachi~

After Miel and Elise have escaped from Azazel, he decides to take revenge on the heaven by attacking the earth first.
Canon is reborn as a strong dark angel and Zabiera works for her. Miel and Elise become wounded and are in a clutch situation.
In the midst of battle between pure and holy angels, a magical girl breaks in from the storm of light.

"I am Ciel... the last angel Purimity Ciel..."

She is the last and supreme pure and holy angel sent from the heaven.

[From DLsite English]