I Became the Slave of the Future Tyrant Villain

I was transmigrated into a novel I had rejected. Of all things, not as the villainous tyrant who meets a miserable end… but as his lowly male slave concubine. 'An ending where I'm castrated, cross-dressing, and living as a slave concubine for the rest of my life?' Am I crazy? Why would I? To avoid this terrible ending, I must stop Kalian from becoming a tyrannical emperor. I mobilized every piece of knowledge I possessed and took on the role of a loyal slave by his side, thinking I had barely managed to change the course of events… “Well, Your Highness. After all, Noah is my property.” It seems his possessiveness has taken a strange turn. *Read this if: You want to read a lighthearted r...