Seth is a boy who seeks to become a great magician, and a group of witches who seek to travel to the Radiant. Radiant is a mythical land that spawns monsters called "Néméses" which fall to the world from the sky. While traveling, they are also hunted by The Inquisition.

High school student, Kamishiro Yu doesn't fit in and is constantly bullied; fed up with the abuse Yu secretly trains in boxing and takes revenge on those who once bullied him. Eventually Yu's defeats call the attention of the local thugs, and Yu soon finds himself forced to keep fighting in order to keep his place, his holyland.