Hina Yumihara

弓原 雛

She is Aoba's classmate, apparently she is from the year 2088 who came into Aoba's time in order to protect him from the Great Zogilia forces who came from her time to kill him. During her time travel to Aoba's time, she brought with her the Luxon that she used to protect him from a Zogilian mech who travel back in time to kill him. It was later on revealed that in her timeline she also belongs to the Great Zogilia Forces which are at war with the Confederate Treaty of Liberty Alliance and that her name is Hina Ryazan.