Professor Vampire. - Chapter 36 - Practical Course

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.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

Born naturally defective but possessed by the spirit of a divine dragon. Inheriting the divine dragon’s will and power, growing scales and magical claws, imperial waters containing the breath of the dragon, travelling through clouds and summoning rain, an invincible physical body. In this world and era, countless men dream of slaying dragons. Li Mu Yang has always lived a hard life.

A city of academies where high school girls converse with swords and spears in hand.A comedy character who loves macarons and a cup of tea.Becoming a pink-haired dummy in a mobile game, acting as the weakest character with the pretty filter in my mouth and body.Yet in my heart, a man’s fighting spirit still boils like lava.“What a cutie. Ohoho☆”