Kaigaku and Zenitsu from Demon Slayer HD Wallpaper

Two anime characters, Kaigaku and Zenitsu, face each other with aggressive expressions. Kaigaku, on the left, has dark hair, pointed ears, and wears a dark blue outfit with light blue accents. Zenitsu, on the right, has spiky blonde hair and wears a yellow haori over a black uniform, holding a sword. Both characters are depicted in a moment of intense confrontation, with sharp, glowing lines suggesting a clash.