A Helluva Fast gunman (Helluva Boss Harem X Gunslinger male reader)

After a botched bounty hunt "Vile-blooded" Y/N L/N a famous gunslinger and bounty hunter, was gunned down by the very outlaws he was hunting, Despite spending his whole life in pursuit of wanted criminals selling their corpses to the law for cash, he was sent to hell for his brutality. Now immortal and wanting to have some good old fun, he meets a group of IMP assassins Moxxie, Millie and Blitza (the A is silent fuckos) that specializes in hunting down mortals in the human world, Immediate murder professionals, He offers his services as a skilled old west gunslinger to help them out in their missions across the mortal plane.

Red dead redeption is owned by rockstar games while Helluva boss and hazbin hotel are owned by Vivziepop