Seiou Geika wa Munou Oujo ni Korosaretai

Overview

In a world where magic is everything, Princess Electra is branded as incompetent and unable to use any magic. But one day, the enemy country's most powerful magician, the Holy King, approaches her, claiming that she is "the only person who can kill him"...!? "If you could kill me, I couldn't be happier." (Source: Kadokawa, translated)

Source: AniList