Kyle, the protagonist of this story, is one of the 7 heroes who defeated the evil overlord. Following that battle, he launches a conquest of the continent to unite the humans living there. The only one standing against Kyle is his younger brother Syll, who is also one of the seven heroes. Kyle stole his throne but failed to kill him. One day, another of the 7 heroes appears before Kyle. She is Nina, an elven princess. Kyle knows that Nina and Syll are lovers, and a dark desire begins to burn inside him...