Demon Slayer: I, Nobita, Must Save the World Again!

During a time-travel trip, Nobita Nobi accidentally transmigrates with Doraemon to the world of Demon Slayer. Shizuka, Gian, Suneo, and the others are nowhere to be found, but Tanjiro, Zenitsu, Inosuke, and the members of the Demon Slayer Corps are here. After witnessing a world ravaged by demons and its people laid waste, Nobita decides he has to do something. Former Sun King, interstellar commander, pioneer of prehistoric civilizations, destroyer of the Bermuda civilization, Pirate King, and crack shot: that's his resume. Saving the world? Piece of cake. In an instant, he can shout the words that strike terror into anyone who hears them. "Doraemon, help! Save me!" "Doraemon~!!"