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

"Men would never touch a maid when there is a princess at their mercy especially when the difference is this great. She escaped the fate of being defiled even though she is only a maid. While I ended up soiled beyond count despite having lived a sheltered life without any threat."

"What is your true identity? Don't lie to me." Bruce had figured out many things with the help of the polygraph during their conversation. Most of the things the two women were telling him were the truth. However, most of those questions involved both of them as a single unit.

But whenever he asked questions regarding one of them, the polygraph showed that they were lying.

Before long he was able to decipher what was going on. They were telling the truth about their identities but there was a catch. The two had switched their identities with each other and one was pretending to be the other for God knows what reason.

Chapter 397 Identity