This story begins with a lost girl, an a kind soul who finds her in the forest to notice that she is from another land and another living being, she is a human, criatures that must be "exterminated" and "killed" beyond this lands. Taro was supposed to kill the little girl, but something inside him told him to leave her in peace and help her reach her original home and scape from that world. Will they be able to reach the sky tower and help lilith or will they perrish on the mission?