Chainsaw Man 

Chainsaw Man
is an action-packed dark fantasy series that follows the story of Denji, a poor young man who works as a devil hunter to pay off his father’s debt. One day, he's fatally injured, but his pet devil Pochita saves him by merging with him, turning Denji into Chainsaw Man – a powerful being with chainsaw abilities who fights devils. He soon joins the Public Safety Devil Hunters and faces off against a variety of dangerous devils. The series is filled with thrilling battles, unique characters, and intense scenes that make it exciting and memorable.