"Spells" are a technological system that implements the reproduction of natural phenomena and physical laws and the generation of matter in a super-physical way. Through this spell, humans have successfully and freely manipulated the power that was once called "magic" and feared. "Spells" have brought benefits to all areas of life, and even have the potential to drive out the once domineering "dragons" and "aliens", and have achieved rapid development. Two offensive spellcasters, Gaius and Gigina, make a living by using spells to solve problems and earn bounties. They run a spellcaster office in the chaotic border town of Elidana, and received a job hunting "dragons", but that was the beginning of an intricate conspiracy and scheme -