Transmigrated into the Dead White Moonlight of the Male Lead (Quick Transmigration)

I somehow ended up bound to a System. I have to travel through different worlds and have a passionate romance with the male lead. But there's a problem... The character is the male lead's beloved, but she's already dead! Am I supposed to come back from the grave? Follow the Host as she finds all sorts of ways to come back to life, replaces the female lead in the story, and once again becomes the male lead's one true love. - 1. The Emperor's Beloved: You can't trust a scumbag emperor's devotion. (His feelings for his beloved are a little scummy. The story focuses on the plot. Feel free to skip this one if you don't like it. ✓) 2. The Beloved of a Powerful Cultivator: How do you win over someone whose body has been taken over?? (✓) 3. The CEO's Beloved: The CEO thinks I got plastic surgery to scam him out of money! (✓) 4. The Villain's Beloved: Warm the villain's heart from childhood, and watch him rise to become the male lead. (✓) Theme: