After ending up dead from the other world, Tanjiro Kamado, Zenitsu Agatsuma, Kyojuro Rengoku, and Giyu Tomioka were all reincarnated in the Modern World, where they will meet themselves as different persons from their world and will face a stronger opponent than Muzan Kibutsuji? And also, instead of being swordsmen, they are now granted with superhuman powers and will join Izuku Midoriya and the others. How will the remaining swordsmen from the other world believe that their loved ones who died in their world, were reincarnated as monsters and overpowered people?