Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 16 - 16-1. Effect of Slaying Demon Lord

Rael, once a teenager crippled by social anxiety, is reincarnated 1,553 years into the future after reading a book about Milford, the legendary God of Machima—a man who commanded armies of Steelborn, Machnoids, and Autonoms across the universe. Gifted with the Machima Bloodline and guided by Dominica, the World Domination System, Rael quickly rises to become the strongest World Conqueror.He first saw them on the book’s cover—steel women with lifelike faces, beasts with razor limbs, and looming above them all, a god in robes with a mechanical hand raised high. Coiled over him were a gigantic centipede and serpent of metal, guardians of his legend. Now, deep in a junkyard centuries later, Rael forges his own path. His first creation: an unbreakable fortress born in the dirt, a hulking Steelborn Tortoise with a mind sharper than any AI—crafted by Rael’s divine talent. From admiring Milford and wishing to be like him, Rael now marches forward to leave his own mark on the universe.Join him as he rises in rank across his world—and beyond.

Nexus found himself transmigrated into an isekai of magic, where he encountered a captivating Dual Cultivation System. Realizing the importance of this system for his progress, he embarked on a quest to seek out girls who would wholeheartedly participate in the practice of dual cultivation alongside him. Failure to find willing partners meant that his ability to upgrade and advance would be severely hindered.

Unfortunately, it appeared that the inhabitants of this magical isekai realm were oblivious to the concept of dual cultivation.

Thankfully, within this realm, there existed a race known as succubi. These non-human beings possessed the ability to nourish themselves through the consumption of men's semen. Regrettably, they were considered undesirable by humans. Yet, Nexus discovered that he was an exceptional match for these succubi, forming a natural bond that made them highly compatible partners.

Furthermore, Nexus encountered a stark contrast between the techniques described in the Xianxia novel he possessed and the actual magic present within the isekai realm. The disparity was substantial, requiring him to invest a considerable amount of time to acclimate himself to this unfamiliar form of magic.

With his newfound allies, Nexus set out to make a profound impact on this new world.

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