The idea that something could go so wrong is an understatement at best. When you wake up in the morning, you don't expect to be swept up and taken to an incredibly harsh and strange world. You don't have to deal with the constant discrimination for just being human, let alone skin color. But even then, you wouldn't be the one with this world's highest bounty for just being alive.
Since as long as anyone has been aware of, a scientific phenomenon dubbed "the wandering" has taken people, animals, and things from all places across the universe and dumped them into a single place, X. Hiro, Jiro, and Akira, 3 criminal orphan boys on the run from every citizen in the land of bandits, Esurient, come across new "wanderers" Brittany from Earth and Haylee from Orion. Through some means, the boys find themselves on a mission to help the girls on an adventure to return home to their respective planets, assuming that the methods exist.