One woke up in a cozy apartment, the other in a gloomy forest. Everyone didn't know how they got here. In addition, closed in someone else's body, and even in someone else's world! And the wizard who created it crumbled a magic crystal. The only way to salvation is to look for a way out with new friends. Pretend to be your own so as not to become a guinea pig in a world where the most daring scientific dreams have come true, or risk learning as much as possible in the hope of returning...