Time Travel Spell but I'm a Social Animal Who Just Wants to Go Home

He fell from the sky and fell into Gojo Satoru's arms, carrying with him a magical power that did not belong to humans, and an obsession that he would not let go until his death: to go back. He is the only sister in the other world. But the higher-ups in the magic world wanted to execute him secretly, but Gojo Satoru stared at him for a few seconds and smiled: "Do you want to be a magician?" ——Joining a college is not an ideal option, but the option with the highest survival rate. From here on, he has to learn to live in this strange world wrapped in a barrier, figure out what he "ate", and find a way home between the curse spirit, the higher-ups and the training ground.