The poster features Denji, the protagonist of Chainsaw Man, in the foreground, wielding his trusty chainsaw with both hands. He is facing off against a massive, demonic creature with multiple arms and horns, the devil he is currently fighting against. The devil is covered in fur, with sharp claws and teeth, and it towers over Denji, creating a sense of danger and urgency.
The background is black and white, with heavy lines and shading that give it a distinct manga-style look. There are sparks flying from Denji's chainsaw as it clashes against the devil's claws, and both characters have intense expressions on their faces, conveying the struggle and determination of the fight.