インウィディア

She is the only female Black Knight beside Superbia and is the only member with wings that can fly. She uses a sword that can be used as a whip wich resembles a spine, allowing her to specialize at long range attack. Much later in the story, she is forced to explode herself and take down everyone in Kakeru's group with her, but her attempt fails due to Yuka's awakened power. Being the fourth knight to be killed, Yukiko kills her by stabbing her forehead. Invida is a subordinate of George of the Rainbow and her Index's name is "The Holy Dragon: Irene". It is revealed that she loves Sebastian (Ira)./

Edited from url=https://en.wikipedia.org/wiki/11eyes:_Tsumi_to_Batsu_to_Aganai_no_Sh%C5%8Djo.