Don't forget world history

i need $10 for better grammar patreon.com/Tante_hilda Reincarnate in another world and start a new life. There is a country full of imperialism, a world different from the world where he lives. The boy's hobby during his life was researching history and studying many heroes. However, the boy was unable to investigate the history of his favorites in the new world. There is a law that becomes a big wall. The boy is bound by the law that "history must not be replayed" , but the boy still spends his days thinking about the heroes of his previous world. One day, the boy made a prediction that a war with a neighboring country would soon occur. He told his two friends about his prediction and begged them to be careful, but someone overheard their conversation. This causes the boy and his best friend to leave the village in the worst possible way. He flees to a neighboring country and meets a person traveling with the boy, but that person is a hero in a past world that the boy also knows about. A story of historical exploration tracing the mysteries of this world in different worlds woven by a boy and the heroes of the past. What is history? What do people think? Through his adventures, he meets various people and gets to know their feelings. The boy uses his knowledge to face the darkness of this world.