[The Human Resistance Army here possessed quite advanced Extraordinary Technology: sky mother ships, Electromagnetic Railguns, and human-sized robots; all readily available. They were besieging a massive Floating Island.]
[The leader of the Resistance Army was a powerful Female Marshal. She told you that the Floating Island was an invader, Demon, who had been abducting human children in an attempt to exterminate the Human Clan's progeny. The Human Resistance Army had always been trying to reclaim their descendants. The two sides had been fighting generation after generation, for more years than anyone can remember.]
[According to the marshal's description, these Demons were quite special: they were called "Heart Demons"!]
["Heart Demons are the most hateful! They steal away our infants and use a kind of magic called 'Curse Flare' to bewilder them, turning our children into their warriors!