inherits his father's debt from the yakuza upon his father's death. After meeting the Chainsaw Devil Pochita, he becomes a Devil Hunter in an attempt to clear his debt. The yakuza kill him, and Pochita becomes his heart, setting a contract with Denji. After this, he can transform into the devil-human Hybrid known as Chainsaw Man by pulling a cord on his chest. As a Public Safety Devil Hunter, Denji fights alongside the Tokyo Special Division 4 all the while pursuing his own personal interests.