kokushibou, 1boy, shaded face, shaded eyes, long hair, male focus, muscular male, topless male, forehead mark, facial tattoo, grey skin, colored sclera, narrow waist, hakama, holding katana, branched sword, sheath, moon breathing, red crescent, countless crescent, loaded interior, zouri, fighting stance, shockwave, ceiling, broken ground, cracked floor, stone floor, wooden pillar, steam, ashes, dust, fog, wind, dark, night, dim lighting, motion blur, emphasis lines, endless basement, black background,
