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

But recently she had begun to doubt it.

The momentary surprise and then the bubbling anger underneath Diana's calm façade was the only confirmation Clara needed for her doubts.

The trigger for her doubts had been her sister's words. Violet had planted the seed that she had been nurturing in her mind all this time and finally she had been able to confirm her suspicion through the twisted expression on Diana's face.

During one of their sisterly conversations, Clara had revealed her insecurities about Zach to Violet. Clara had been afraid that Zach wasn't interested in her at the time. On top of that, she had to deal with two other women at the same time, namely Christina and Diana. She was unsure of her chances and sought Violet's opinion on the matter.

Chapter 368 Diana's Determination