Her name is Ayame Nakiri, she goes for the name Ayame.. And She is a demon who has lived in The Underworld and has supposedly done so for 1,500 years. It's also suggested that Ayame is a demigod or even a full-on divine being, additionally, she is a spirit and likely an oni. Ayame's mannerism is described as mischievous and this manifests in the form of playing pranks and threatening others with her powers. She is 1,500 years old..