Mamika Kirameki

A young girl who is the protagonist of the magical girl anime series Magical Slayer Mamika. A supporter of Military Uniform Princess, she doesn't like fighting and thus prefers to win over her enemies using negotiation. She can fly and use magical attacks. While not that dangerous in her world, her attacks are deadly in the real world. This further weakens her will to fight, as she has become afraid of her own destructive power.

During the first half of the story, Mamika is killed by Altair.
(Source: Re:Creators Wikia)