The Heroine Has Her Own System, I Am Instantly Invincible

What should I do if I travel to the world of immortality and become a loser? It doesn't matter, my heroines all have systems, and they are all bound to me! The cold-blooded and sinister Lord of the Holy Land has a system that returns thousands of disciples. As long as I practice, she can break through the Great Emperor! Nangong Lanyue: "It doesn't matter if your talent is not good. Treat the elixir as food. Remember to eat it every time!" Cute and innocent dragon princess, awakening sign-in system, as long as you sign in with me for ten years, you can get the Ancestral Dragon Ball! Yaoyao: "Brother Tie Tie." The confident and arrogant empress of the dynasty has activated the sweet love system. As long as she marries me, the whole country will rise to the top and establish an immortal dynasty! Yu Jiusheng: "The emperor loves the people, so for the sake of the people, I will forcefully marry you!" What's even more terrifying is that on the wedding night, the female fairy emperor actually...