MTL - Genshin Impact: I Sell Jars In Tivat Continent - Chapter 53

While returning home from a boring day of work, a black hole opened up in front of John and sucked him in. Before he was floating in the blackhole, a helmet latched on to him. "Uploading A.I under progress...Activating Survival Kit" A weird robotic sound appeared within the conscious of John and suddenly a white energy enveloped him... After opening his eyes, John noticed he was teleported to a whole new world. A world of magic and he was a user of a system. Arkon, the world John was brought too, was a medieval world which is 10 times bigger than earth. This new world held many new mysteries and this was the beginning of John's adventure. John will dominate and stir the world with his new system. Old technologies begone and use my advanced techys instead! Ha! you want to hold a politic, economical and military war with me? Sorry but my system is too broken for you all to counter.

As a virtuous wife, does it include tolerating his cousin, enduring his concubines, bearing his mother?

In this brutal world ruled by the law of the jungle, Ximen Wei is driven by his desire to return home and escape his past regrets and feuds.

As he becomes increasingly obsessed with achieving his goal, he loses his emotions and humanity, resorting to any means necessary, no matter how unscrupulous or immoral.

He becomes a symbol of massacre and death, a demon god feared throughout the Qi World for his willingness to kill anyone who stands in his way or possesses something he needs.

Follow Ximen Wei's journey as he rises to power, terrorizing those around him in his quest to become a powerful demon god.

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?