Chainsaw Man, Vol. 13 by Tatsuki Fujimoto

[Viz] 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! Denji is desperate to tell the world that he’s Chainsaw Man, but is he competent enough to pull off a proper reveal? Meanwhile, Asa has made a friend! But this new friendship may be hiding a dark secret.