Detailed embroidery design featuring Zenitsu Agatsuma from Demon Slayer, showcasing his dynamic pose with lightning effects. The design includes intricate facial expressions, vibrant yellow hair, and traditional Japanese clothing with a sword. Decorative elements like electric sparks are added for effect. The embroidery uses a variety of colors including yellow, brown, black, blue, and white, employing satin stitch for smooth areas and fill stitches for detailed textures.