Anime girl in black coat with mask and crystal details

Crimson Hued Issue, Military Grade, Scarlet Knot, anime, a girl with bright red and pink stripes of hair tied with a white ribbon with belts, a black mask with a single gold eye painted on it covering the whole face, a long black coat in a fantasy style with hanging red elongated crystals, a white collar and sleeves, a long dark blue skirt with a black night sky motif, white socks with red black shoes,