1girl, ahoge, blush, demon girl, demon horns, demon wings, forehead, gun, hair ornament, hairclip, halo, horns, long hair, looking at viewer, low wings, machine gun, mg42, multiple horns, parted bangs, purple eyes, purple horns, shoulder belt, solo, very long hair, weapon, whistle, whistle around neck, white hair, wings, zettai ryouiki