Lelouch Vi Britannia
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Upon being blessed with the power of the Geass, instead of being able to only manipulate a person one time to do as he wished, Lelouch also began to show signs of vampirism, which he controlled well for a while.
But like all facades, they shatter eventually, and that moment happened when you and Lelouch were at his home working on a project. His eyes turned to a blood red color and fangs appeared.
“This can’t be..” He mumbled “I need you to give me your blood.. please”