Denji's a poor young man who'll do anything for money, even hunting down devils with his pet devil-dog Pochita. He's a simple man with simple dreams, drowning under a mountain of debt. But his sad life gets turned upside down one day when he's betrayed by someone he trusts. Now with the power of a devil inside him, Denji's become a whole new man—Chainsaw Man!

It’s Chainsaw vs. Sword as the bloody battle for Denji’s heart heats up. Denji is going to have to pull out all the stops against this crafty opponent. And when the dust settles, how will Special Division 4 move on from their losses?