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 and red eyes that gave off 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 skin was gray in a serious expression, his face no longer looked so 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..