Holders: Prologue

What happens when a powerful sorcerer tries to eliminate sorcery from the world?
Shiiro, a sorcerer with immense power, arrived in Eden Croft, protecting them from other sorcerers and seeking their help in exchange. But what he wants goes against the will of all mankind. He plans to purge sorcery once and for all, despite knowing that humans live by relying on it. What could his true motive be?