Save the Earth from its end!

The main character, Lidim, works in a weapon shop in the capital of Alfria. He accidentally overhears secret negotiations between two countries. As Alfria doesn't agree to become a colony of the powerful Epsilom Empire, an envoy of Epsilom, who is also a witch, uses an unknown weapon to destroy Lidim's home village as a demonstration of power. Witnessing the tragedy, Lidim loses his temper and assaults an important figure from the Empire...