The rebel army after one year of the succesfully independens war on the space colonys, finally execute their next move, the invasion of the Earth, with several attacks on all the regions of the planet, the revel army divide forces to attack the main citys that are controled by the oppressive regime.
The invasion forces are coming in a surprise attack directly from the space to the city of Tokio, in such a incredible speed that make their ships look like comets and faceing what is expected to be a not so safe landing, but a very efective surprice strategy.
The well prepared cientist of Tokio one hundred years ago using their ancient tradicion on the robotic art, created an army of gigantic robots under the bay on an undergraund facility to defend the city. They sleept patienly all this time underwater, but now the alarm has been declared and its time for them to wake up for the first time as Newborns and do what they were made for, smash the enemy!
From now this expectacular event will be known as "The Batle of Tokio Bay".