kako (pixiv77158173), hatsune miku, vocaloid, unfinished, 1girl, alternate costume, animal ears, aqua eyes, aqua hair, armor, art program in frame, black gloves, black jacket, black pants, braid, braided sidelocks, bridle, buttons, chess piece, double-breasted, expressionless, gloves, harness, high collar, horse ears, horse girl, jacket, knight (chess), looking at viewer, low twin braids, o-ring, o-ring harness, pants, pawn (chess), saddle hair ornament, shoulder armor, sleeve cuffs, solo, twin braids, twintails