different_minds

Zach was a sci-fi game enthusiast who unintentionally crossed over to a magical isekai. Fortunately, he had access to the previous game system and could fight the magic-savvy aborigines with high-tech weapons.
“Magic? No, I have the lightsaber. ”
Unlike what he expected, the system presented him with a different way of leveling up. He had to get some kind of special energy from the pretty girls' bodies on this planet so that he could unlock his weapons.
"What the hell happened? Is my sperm capable of upgrading girls? Can my blood cause those girls to burst out instantly?"
This was incredible.
The succubi were a hated race in the magical isekai because they oversucked male sperm and killed men, but not Zach.
Surprisingly, the majority of the special energy that Zach required was distributed in succubi.
He appeared to be having a fantastic journey.

Release That Succubus

<p>Another problem with long journeys was that it didn't allow the people to take a meaningful rest. The people were always tired and the exertion was not something that everyone could get used to after all the time that they spent travelling. Sickness and fatigue was only a matter of time and yet the servants kept themselves from complaining until it was too much to bear for them.</p>

Chapter 138 Stories At Dinner