1boy, belt, black eyes, demon slayer uniform, fighting stance, fingernails, grin, haori, holding, holding sword, holding weapon, japanese clothes, katana, leaf, looking at viewer, male focus, night, outdoors, scar, scar on arm, scar on cheek, scar on chest, scar on face, scar on forehead, scar on nose, short hair, smile, solo, sword, teeth, unbuttoned, weapon, white belt, white hair, wide-eyed