Years ago, mysterious beings only known as kihei appeared without warningand
overran the world. To confront this strange menace, the Twilight Academywas
established to train students in black magic and how to battle theotherworldly
invaders. Graduates of this school are no strangers to death andmany meet their
doom while fulfilling their duty to protect humanity. Kou isjust one more casualty in
this war for survival...or so he thinks. Before hecan even appreciate the fact that he’s
still alive, a kihei pledges herloyalty to him and vows to stay by his side until the end
of days, settingoff a chain of events that can only lead down the road of madness and
chaos.