osaki makura, kaigaku, kimetsu no yaiba, highres, 1boy, black background, black hair, black jacket, black nails, black sclera, cheek tattoo, choker, colored sclera, fang, green eyes, hands up, holding, holding behind back, holding sword, holding sword behind back, holding weapon, holding weapon behind back, jacket, katana, magatama, male focus, open mouth, short hair, smile, solo, spiked hair, sword, tattoo, teeth, thunder, upper body, upper teeth only, veiny face, weapon