Summary He Flew Back From Hell as a Crow from Kainu Manga
He Flew Back From Hell as a Crow summary: A guy known as “the Raven” is supposedly left for dead by hired assassins from the “Predator Group.” But instead, he gained mutant powers such as speed, reflex and immortality just like a raven would. As he is given another chance to live, he wanted to hunt down every single assassin as a plot of revenge.
