The Female Psychology PhD Who Time Traveled to the Royal Harem - Chapter 473

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

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.

Ham Dani, a normal student whose hobbies were to read novels.

One day she woke up and find out that the girl next-door is as beautiful as a web novel protagonist.

And in school, there was the introduction of ‘The Four Heavenly Kings’.

The world changed into a web novel just over night, and Ham Dani’s role is heroine’s childhood friend 1!

“I just want to live normally, but why is everyone doing this to me!”

Due to a strong fate ‘The Four Heavenly Kings’ and the heroine entwines Dani’s everyday life.

And the results are?

I was summoned to a ruined world and received the ability to create various things. Since I don’t have a house to live in I will make a house. Since people are gathering at my house I will make a town. Since the town is being attacked by monsters I will make the strongest weapon and repel them. Using my infinitely charging magic power I will remake this world as I please.