hirano katsuyuki, sekir, spectral (series), spectral souls, highres, official art, 1girl, armband, black hair, blue eyes, blunt bangs, blush, boots, bracelet, choker, coat, collarbone, crossed legs, detached sleeves, elf, female focus, flat chest, full body, hat, high heels, jewelry, leotard, long coat, long hair, military, military uniform, open clothes, own hands clasped, own hands together, peaked cap, pointy ears, purple boots, purple thighhighs, shadow, shoes, simple background, smile, solo, standing, thigh boots, thighhighs, trench coat, watson cross, white background, zettai ryouiki