Sparkle Of Hope

The world was invaded byother worldly creatures, known as "The Invaders". The invaders intended on killing/enslaving the humans to control the earth. The Golden Empire's queen ordered her trusted warrior, Kael, to go on a mission and protect small villages and perhaps, more places. On his way, he meets Rei, his longtime enemy. Somehow, the two go on the mission together. Will they manage to save the world? or will end up killing themselves?