Introduction: The Regressed Son of a Duke is an Assassin Light NovelDescription:Cyan Vert, the greatest assassin of the continent.After having been betrayed by his own brother, whom he had trusted all his life, he meets an pitiful end.If I were given another chance at life, I would live it differently.A life where I would achieve all the things I want, and trust only myself, without serving anyone else.That is how I was given a second chance at life.The Cyan Vert, a shadow who lived for others, is no more.I will now pave a path on my own, for myself!The Regressed Youngest Son Of The Duke Is An Assassin Novel,??? ???? ?????? ???...