Who Killed the Hero?

Four years have passed since the Demon Lord was defeated. The kingdom, now at peace, has undertaken the task of compiling the many great deeds of the fallen Hero, interviewing the members of his former party: Leon the Sword Saint, Maria the Holy Maiden, and Solon the Sage. Yet, reading between the lines of their epic tale about the Hero’s past and their adventures together, the truth about his death slowly comes to light. Who killed the Hero? The Demon Lord? …Or his comrades?