kuniyasuyuuki, original, absurdres, commentary request, highres, 1girl, ahoge, bandage on knee, bat wings, between legs, biting own lip, black wings, blunt bangs, blush, chair, demon girl, demon horns, desk, double v, fangs, greyscale, gym uniform, horns, kneeling, long hair, low wings, monochrome, on desk, shirt, shoes, short shorts, shorts, sitting, socks, solo, tail, tail between legs, v, white background, white shirt, wings