10 years ago the gods summoned huge stone doorways through the Regions of the southern Ocean and the shores of Erenalu which summoned the technologically advanced world known as earth.

The main protagonist is a female noble who was born and raised in the town of Vordan. In her past life, her parents were killed by bandits and she was sold as a slave till mercenaries from the U.N. saved her from being sold, she was given a chance to become an official member of the army at a very young age as well as becoming mercenary herself