Broke young man + chainsaw demon = Chainsaw Man! 
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! 
With the disappearance of Nayuta, Denji finds himself in the grasp of a deep depression. He decides to eat away the pain, but at a sushi restaurant, Denji will be confronted with an unimaginable tragedy...