Denji is a teenager who lives his life as a Devil Hunter.

Aiming to pay off the debt he inherited from his father, he starts hunting devils for the yakuza with his buddy Pochita, a "Chainsaw Devil", while living a tragically poor life.

Just when things seem like they couldn't get any worse, Denji gets betrayed and killed by the yakuza. As Denji starts passing out, he hears someone calling from inside his head...
I can't blame you, then.
لا أستطيع لومكم إذاً
Das ist also nichts Schlechtes.
Entonces no es algo malo.
No hay nada que reprocharles.
Ils font rien de mal.
Allora, non c'è niente di male.
Então não é algo ruim.
Значит, и винить мне вас не за что…