<p>As the students of Class 1-5 introduce themselves at the beginning of their high school careers, the cynical but otherwise fairly ordinary boy known as Kyon sits down, having just finished his piece. However, when the girl sitting behind him stands up

<p>Invaders from the Crimson Realm have descended upon Earth looking for something called the Power of Existence. Whoever possesses this power will control the very fabric of existence. To the rescue comes an otherworldly young girl with fire in her eyes.