Denji was a small-time devil hunter just trying to survive in a harsh world. After being killed on a job, he is revived by his pet devil Pochita and becomes something new and dangerous—Chainsaw Man! To live life as a normal high school student, or to become Chainsaw Man again. Denji is facing the ultimate choice and has no idea what to do.

Meanwhile, a mysterious group called the Chainsaw Man Church is gaining power behind the scenes. What exactly are they plotting, and how will Denji fit into their scheme?