Arthur lived his life to the fullest. Being one of the most feared assassin in the dark side of the world and aside from his killing spree, he was a total anomaly as people dont even know what he looked like, but as the years go by he retired from that life when he decided to settle down. From all those mission rewards long past he decided to create and invest his own company becoming one of the richest man in the world and enjoying life's luxuries and even married the most beautiful woman, that he helped along the way. Having done everything life has to offer he died embracing death. But he awakens only to find himself in a body of young teen in a world where you can only fantasize in his previous world. With his past life experience with his charm and skills, He will once again strive to fulfill his life of desire. Note: This is my first time writing a story so if you have any suggestions to add feel free to put a comment. It helps to motivate me for the better. Warning: this story contains incest, harem, smut, netori, and system(that doesn't have a shopping list, gacha, multiverse travel or any sentient someone behind the screen) viewers discretion is advised Disclaimer: This novel is a work of fiction. Names, Characters and events are either the product of my imagination or used in a fictitious way.