On the night of Ram's birth as well as Rem's, they were about to be killed as per the Oni Law. Before the Oni Chief could swing his sword and Ram showing her Oni God status, a voice of a stranger called out and history was forever changed. One lived. The other died.

After the disastrous defeat at Midway, the Empire of Japan had suddenly been transported into another world! With the territorial gains they have acquired in the past six months since the beginning of the Pacific War, watch as the Empire shall make the sun rise above those who oppose them as they did in our world. A "Summoning Japan" fic.

After defeating his mysterious pursuer with a last ditch effort attack. Tanjiro found himself in a world similar to his but different at the same time. With Muzan as his demonic mental companion, the Demon King known as Tanjiro will take the world by storm while surprised that both his sister and his counterpart in that world had their roles reversed. crossover Colors of the World.