I Possessed a Demon Sovereign - Chapter 645 - : 643. The Sign of the Great Calamity

Rise of the Arms Dealer in the World War tells the story of a man from the modern world, thrown back in time to a pivotal moment in history. Armed with knowledge of advanced weaponry and the sharp instincts of a seasoned weapons dealer, he wastes no time in exploiting the chaos of historical wars and political upheavals.Building an empire not just in arms but across industries, he crafts vehicles, machinery, and technology far beyond the reach of his time. With each calculated move, his influence spreads like wildfire, positioning him to control the tides of conflict.After World War I, he seizes the opportunity to buy up factories and cutting-edge technologies from the defeated nations, biding his time to prepare for the next global war. His eyes are set on World War II, where he plans to sell weapons on an unprecedented scale, shaping the course of history.A villain at heart, he is cold, calculating, and without a shred of principle. He deals to whoever bids the most, indifferent to the consequences. As his empire grows, so does the power he wields, but with it comes a relentless struggle to keep the forces he's unleashed in check.

The world where the Hero and the Demon King continue to oppose each other. The grand magic from the Hero and the Demon King cross over worlds and exploded in the classroom of a certain high school.

The students who died in the explosion will be reincarnated in a different world. The protagonist, who had the lowest reputation in the class, was reincarnated into a spider. Nevertheless, she adapted quickly to the present condition with strong willpower.

This is a story of she who has become a spider trying whatever she can to live.

In a world where dungeons were an essential part of it, Rein was trying to conquer as many as possible. They were the key to gain powers in the fastest possible way. So, to reach his full potential and to become the strongest, he became a great dungeon conqueror.With his trusty friends and lovers, he was definitely going to reach the peak alongside everyone. Join Rein and see how he went from strong to stronger and then the strongest.__________________1. The harem would not be too large(I'm not sure how many but probably just 4-5 main and few other here and there). All the girls would be getting their time and story.2. The story is starting when the MC is in the middle of his growth stage and not at the very beginning. But his beginning will be mentioned in the story in some form.3. I don't think I need to mention this, but obviously it will not have any NTR, rape or that kind of stuff. It is actually quite a wholesome story focusing mainly on adventure, action and bit of romance and slice of life.

After crossing over to Naruto World, Shiranui Yuuji found that there was an incomparably terrifying Godzilla in his body.

“You are Tailless Bijuu? Your chakra is astonishing…. What a coincidence, so am I.”

“You know Bijuu’s coat? I don’t have Bijuu’s coat, but I do have Godzilla Coat-”

“Bijuudama is terrifying!! It can destroy a mountain as soon as he sends it down?”

Hiss, that Bijuudama scared Yuuji, he quickly moved his hands to form seals,

“Nuclear Release – Atomic Breath!”

When Yuuji turned into Red lotus form, Godzilla pressed Nine-Tailed to the ground.

“Nine-Tailed, your strength is too strong. You need to be fried…”

Nine-Tailed, “?”

“What Jinchuriki are you exactly?”