Hell Empire conquers Earth

Disclaimer: I do not own Summoning Japan. This is a fan-made story. Instead of one of our countries going to a fantasy world, what if a more technologically advanced Empire comes to ours? So now enjoy the rest of the description.

December 31st, 2023 H. A. The demon race has been at war with the angels. It has been well over 5,000 years since the two factions came to a mysterious planet. It was a planet filled with life inhabitants calling themselves humans, but there were other life forms on the Planet, like other Orcs, goblins, and dwarves, others believed to be in fantasy folktale; the demons and angels were wrong. The demons believe that Humanity has a right to conquer the Galaxy and that the demons be their bodyguard; however, the angles had thought that all life forms are naturally good and should be forced into submission to believe as one of the two brutal to Tyler turns dictators for Humanity and the Planet is nothing but a former shell of itself react with nuclear warheads and never-ending gunfire the inheritance of the Planet. Never seen such weaponry before and it was even harder to believe that it wasn't run with magic the demons have used a weapon that can destroy magic permanently. Therefore, none of the heavens can recover from the war until December 31st, 2023 H. A. The demons are mysteriously sent to another world, a dimension they can never Escape now, on a new planet called Earth. Humans purely populate this Planet, but these humans are far more advanced than they think the humans of the previous Planet still use swords, shields, bows, and arrows, but the humans on Earth have managed to evolve to the point where they can use nuclear weaponry. Hell Empire has a choice: are they conquering Humanity in this world or teaching them their ideology, and hopefully, the humans side with the demons? Only time will tell.