The Fusion of Worlds Starting from Magical Girls

After an inconspicuous high school student Bai Fuqing picked up a book that recorded the story of a magical girl, he actually saw monsters and magical girls in the city. And he was surprised to find that the book he picked up could actually give him the same power as a magical girl. Bai Fuqing originally thought that the story of him as a partner of justice witnessing the passion of the Magical Girl's Queen was over. However, he did not expect that magical girls were just the beginning. When brave men holding holy swords and superpowers controlling laws appeared one after another in the book, and when the order of the world gradually became blurred because of these things, he realized that the world was becoming chaotic because of this. In this case, saving the world as a pastime in high school is a good choice. With this idea in mind, he became keen to participate in saving the world again and again. "You are obviously not from this world, why do you want to save this world?" The demon king from another world asked him a question, but Bai Fuqing just smiled. "It's just out of interest."