The character sheet & glossary for HV-S03: Self-Incarnation. Major spoilers alert; potential readers should read and enjoy the main story first.

Knowing the past and future to affect the present is already cliché to the point of necessity. However, should one change themselves or others? Should they even do anything, knowing an uncertain result awaits them? Should they enjoy the present instead, and live life to the fullest? Or go all-out, and revel in the thrill of death?

Following the end of Heaven's Feel, Shirou finds himself somewhere else. Or is it sometime else? Or both? A man who once wanted to be a hero above all else, comes face to face with one history's most vilified figures. Except he's a she and doesn't appear to be a bloodthirsty conqueror.