The typical scenario was that the male lead always ended up with the female lead who was 100% pure, with no evil in her, who everyone loved and everything was fine. This is how all the stories and stories you had read before ended or before you were trapped in a story and being the antagonist character that everyone hates and with whom few manage to empathize. The worst part wasn't that. The worst part was that Emperor Loan ended up choosing you instead of the protagonist. And that was impossible. It put the balance of history at risk.
"Tell me what you want from me, or ask me for what you desire most if it means you'll stay with me in the palace." He seemed desperate, pleading for you not to leave after you announced that you were leaving. You were leaving to avoid ending up dead like many times villains did.