Supreme Harem God System

... The Larger My Harem Grows, The Stronger I Become … Nux Leander transmigrated into a classic fantasy world and received his golden finger. [Supreme Harem God System] This system allowed him to strengthen himself whenever he fucks a woman, the stronger the woman, the more he benefits. Not only that, this overpowered system even allowed him to strengthen the woman he fucks if she is weaker than him. Accompany Nux in his journey as he promotes himself from being a mere mortal, to a boy toy of a Viscount, and then becoming the Emperor of the strongest Empire in the world! All while he gets stronger by spending time with his beloved women.