Revival of the Idiot Noble

Nick Haren was a known prodigy to whoever have visited the underworld. Titled the angel of death by his colleagues, Nick was the best of the best. Any job he could accomplish without fault. Now after being an assassin for over 14 years, Nick suddenly wants to retire. He submits his leave from the underworld and tries to begin a new life only to die in a plane crash set up to kill him. After his death, he wakes up in an unfamiliar world. Turns out, he was given a second chance and was transmigrated into a new body in the world of magic and knights. Now he is known as Nick Salvatore, the idiot. Son of the mighty duke of the kingdom of Serkonos.