Naruto: Did i Just Get Reincarnated as Gojo? - Chapter 19: Respect the Local Shinobi Village System

“Will you marry me?”As a metaphysics master, An Yan was humiliated by a rejected marriage proposal.She turned around and grabbed the man with the best fate in the entire room to propose to him.“Miss An, you'd better not regret this!”In the blink of an eye, the hunter became the prey, and An Yan was a bit panicked.She was truly cherished, but it was a possessiveness-driven affection that An Yan did not want.It wasn't until he fell ill.That she realized what was called deep affection was just a conspiracy.Everyone says he is the Li Family's deity! Because of him, the Li Family flourished with riches and glory.In reality, he is the Li Family's demon! He could potentially drag the entire family to irreversible doom at any moment.

When a fantasy kingdom needs heroes, they skip the high schoolers and summon hardened Delta Force operators.Lieutenant Cole Mercer and his team are no strangers to sacrifice. After all, what are four men compared to millions of lives saved from a nuclear disaster? But as they make their last stand against insurgents, they’re unexpectedly pulled into another world—one on the brink of a demonic incursion.Thrust into Tenria's realm of magic and steam engines, Cole discovers a power beyond anything he'd imagined: magic—a way to finally win without sacrifice, a power fantasy made real by ancient mana and perfected by modern science.But his new world might not be so different from the old one, and the stakes remain the same: there are people who depend on him more than ever; people he might not be able to save. Cole and his team are but men, facing unimaginable odds. Even so, they may yet prove history's truth: that, at their core, the greatest heroes are always just human.

A data loving young man from Earth has an accident which transports him to a dark land filled with terrifying creatures and magical powers. Fortunately for him, he has a Biological Assistance Chip to ease his path. However, things in this bizarre and strange world are not always as they seem, and, though it is a tremendous asset, the chip doesn’t always work as expected. With all of the crazy creatures and magical mayhem around him, one can only wonder what the future holds for this young man…

- Description from novelupdates

I finally managed to kill the demon lord.