Yulan 428 years.
This is an era where star power and mechas coexist.
As early as the ancient earth, humans have created the existence of mechas. According to historical records, scholars and various experts and academicians used synthetic new artificial elements to successfully obtain the internal elements of the ancient earth through accidental experimental exploration, enriching the composition of the entire world. Turn it into one of the productive forces that promote social progress, and gradually penetrate and apply it to various fields. Including military, people's livelihood, agriculture... But after all, due to human beings' excessive exploitation of elements, the internal energy of the ancient earth is close to exhaustion. It forced the World Alliance Academy of Sciences to launch an emergency plan, named "Star Domain E", to immigrate humans to the "Alpha Planet" in outer space suitable for human habitation.
Large and small spacecrafts land, and thus begins a new journey for mankind.
Intention: fantasy of the future