Rebirth in the Dimensional Matrix

When Ryohei came to this world, the original fate of this world was rewritten by him. The Third World War, Nuclear Winter, A Continent Split by a Sword, The Appearance of a Giant Buddha, The Rise of the Extraordinary, The Foundation, Ghost Squad, Akatsuki, Infinite Tsukuyomi... What happens when what is supposed to be fantasy meets reality? Stay tuned! ! ! This book is also called The Man Who Becomes Invincible as soon as He is Reborn, The Man Without a Harem, and He Does Not Write Nonfiction. Does this have anything to do with the second dimension? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.