The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat

The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat begins when the world's foremost assassin is reborn as the eldest son of a powerful aristocratic family of assassins. His reincarnation comes with a mission from a goddess: kill the Hero prophesied to destroy the world. In his new life, he combines the knowledge and experience gained as a modern assassin with the secret techniques and magic of his new family, giving him an entirely new set of tools for carrying out the task.