A bad girl inexplicably fell into a different world with a young follower during a riot. It was not good to fall anywhere, but he had to fall into the training ground of another world, and was almost killed by the men of the vampire duchess who was fighting against one person in this world and inferior to ten thousand people. After being rescued by the Count, she unreasonably mistook the heroic Baroness for a charming boy with androgynous beauty...