Reborn Eunuch: I Taught My Brother-In-Law to Be an Emperor

Lan Fengyin traveled through time and space into the body of a young eunuch who drowned. After rebirth, Lan Fengyin was puzzled as to why this young eunuch with no background could not purify himself. Who killed the little eunuch? With this mystery in mind, Lan Fengyin relied on the medical skills and talents of his previous life to start a legendary journey in the Dawu Dynasty in this ancient world. However, before he succeeded, he was almost taken over by the Demon Lord Xiyulou. If the hidden dangers of Xiyulou are not solved within three years, Lan Fengyin will still be dead! How does Lan Fengyin break the situation? Let's see how a low-level eunuch relies on his own abilities to reach the pinnacle of life step by step, making waves in the rivers and lakes, and guiding the country in the temple, "Who will be the emperor, it must be my brother-in-law!"