A strange girl was taken home and taken in by Tora Sugiginta. On the first day of school, I got lucky and traveled to another world with Ginta. The girl is no stranger to another world, as if she has lived in this world before. I also know the villain boss Phantom, and have a good relationship with him, and I also have a little relationship with the high priest of the magic country. Who is this girl from another world and why is she so familiar with the magical world? The identity of the girl is about to be revealed. Who is she? ? ? ? ? ?