Book Transmigration: From Fake Eunuch to Emperor of the Great Song

Su Yuan transmigrated into a book. From the start, he was nearly castrated. Fortunately, a snarky System came to his rescue and saved his manhood. To return to his original world, he had to complete a mission and become the emperor of the Great Song. It was a ridiculously difficult mission. But Su Yuan decided to face the challenge head-on. Watch Su Yuan shake up the world and rise from a fake eunuch to become the ruler of the Great Song.