Denji was a small-time devil hunter just trying to survive a harsh world. After being killed on a job, Denji is revived by his pet devil-dog Pochita and becomes something new and dangerous--Chainsaw Man

A mysterious devil is demanding Denji's heart Will the devil hunters from Division 4 agree to this deal to save themselves? Or will Denji have to do what Denji does best--turn into a chainsaw and slice up everything that gets in his way?