ninomae gin, hyoga (dr. stone), dr. stone, highres, 1boy, abs, black mask, cape, cloak, covered mouth, cowboy shot, fur collar, fur trim, gloves, grey background, greyscale, half-closed eyes, holding, holding polearm, holding weapon, looking at viewer, male focus, mask, monochrome, mouth mask, muscular, muscular male, navel, pectorals, polearm, short hair, sidelocks, signature, simple background, solo, weapon