KO One: I Am Diao Chan's Childhood Friend

An orphan encounters an opportunity straight out of a storybook, a mysterious sword immortal of unfathomable power, and an adorable childhood friend who will one day become the most beautiful woman under heaven. To protect his family, he sets out on a path that everyone else considers the hardest of all. But what others see as a difficult path is, to him, just a slightly bumpy road uphill. To give his family a happy life, he has no choice but to embark on the road to conquering the world. Of course, he has no desire to conquer the world. He only wants to create a happy world where the people he loves can live happily.