QT: I hijacked a harem system and now I'm ruining every plot(GL) - Chapter 4: My body is gone

What if an alien baby born in the midst of a major conflict on another planet was sent to Earth to save his life? Born with intelligence and the ability to create technology from any material he touches, he was found by a couple in rural Japan and raised like a normal human.Despite his powers beyond reason, living in a peaceful world forced him to restrain himself. He grew up as a young man who loved high-tech superheroes, but never had the chance to realize his dream of becoming a hero.However, everything changed when he and his classmates were suddenly transported to another world—a world of monsters, war, and chaos. Seeing the helplessness of the humans in that world, he realized that this was the chance he had been waiting for.Not with magic, swords, or ordinary physical strength—he would become a hero with technological sophistication that surpassed any civilization!This will be Ren Takamura's story!

Roland died and transmigrated into the body of the third son of a Baron. Having reincarnated, at first he looked forward to the grace of the system or any other golden finger; alas, it seemed not everyone was lucky.In the end, he accepted that those were fantasies, whereas this was reality.Being the third son, he couldn't inherit land according to laws; however, he had a bit of warrior aptitude suitable to become a knight.Knowing that this might cause trouble in succession later, his father enrolled him in the army.Several years later, he became a 3rd-rank knight in the Beginner Stage and was going to be promoted but was injured when he tried to save the commander of his battalion.Amidst that, he received shocking news about his family's demise due to a monster tide, leaving him alone to inherit the barony.Weighing the pros and cons, he decided to escape from the risky venture and settle in a poor backwater barony village to lead a peaceful life; however...Just when he thought it was over, he awakened the Children's Blessing System.[Host's child detected, Family System activated.][Begin testing the child's aptitude.]“What, for real?”

Ever since he was little, Xi Jia’s yin energy was strong, and every day he saw ghosts and ran into ghosts. One day, he accidentally broke the protection amulet. Celestial Master Ye Jingzhi happened to pass by and helped. Are ghost catching Celestial Masters all legit masters? WeChat official accounts, Taobao online shops, looking at gossip tabloids every day. Since then, Xi Jia has refreshed the lower limit again and again, and met a group of completely unreliable Celestial Masters. Binding spirits, doppelgängers, the Mausoleum of the First Qin Emperor, the ghost market of Poyang… The door to a new world is slowly opening.

Some say he is the bad apple in a basket, that he’s rotting everything around him with disgrace and corruption.

Some say he is the biggest scum of the South Zhanbu Continent, that he’s colluding with the dark sects to cheat, steal, and commit all manner of atrocities.

Some say he is the most wanted playboy. “Lock your daughters at home to keep Fang Xing away!”

To all of those people, “That’s right, I am that big rotten apple. Any problem with that?”

This brand of anti-hero is a young orphan with poor prospects and nothing more than the keepsakes of his uncles. He plots, schemes, and orchestrates all manner of villainy in his quest for power and revenge, unafraid to live precariously and make enemies out of those he really should not.

- Description from Novelupdates