More mature anime style image. An image with a black background and some purple

More mature anime style image. An image with a black background and some purple details. a teenage girl, with long light blue hair , His pupil was red and his eyes were completely black, emitting a kind of frightening glow., wore a white dress shirt rolled up to her elbows, a black pants and a black boot. Small black horns came out of her hair, his gray skin in a serious expression, his face no longer looked human, I now remembered exactly what it was: A demon. He used a katana that emanated a dark purple glow around the blade and over himself., all over your body. There was a strange glow behind him that gave the shape of purple wings and armor around his body..