Humans are a set of species from the planet Earth in the Milky Way galaxy. In 2122 the planet Earth was destroyed by a Kesgani rocket ship. 10 billion people died that day. A year later they found Koga in M31, a planet similar to earth. They claimed it as their new home planet in 2124.
They also teamed up with the Celle to create the Areseld in 2248.