Eykha

Eykha (エィハ, Eiha) is Ibuki's Guardian and a Bounded One.

Appearance
She looks like a young human girl with cat ears and pupils. She mostly appears accompanied by Val, her companion.

Plot
Eykha met Mashiro when she first joined the Revolutionary Army, during which they become friends. She develops strong feelings of loyalty and the feeling of duty which is of protecting Ibuki. The monster she is bound to is Val, who she is able to command at her will. She was sacrificed by Ibuki but was later reborn as last of the dragon shrine maidens. As the red dragon makes a promise with Ibuki to give all Val's remaining life to Eykha. In the end, the red dragon is seen with Eykha with her new form that resembles Val.

Trivia
The Bounded One's song she sung is called: " ディータ・リィヴ " (from Chaos Dragon Sekiryuu Sen’eki OST Soundtrack)