<p>It¿s 2070 and our post-apocalyptic world is different. Aliens secretly invaded with a lethal biological weapon: a terrifying virus that annihilated almost every living creature in its path. People still believe it was a natural virus, oblivious to aliens and the truth. Humanity¿s survival is in the hands of the alliance, a team of humans and aliens who stand against the evil arch-enemy alien leader. Orphaned children are raised in army-style schools. But from this barren wasteland, a few shall rise¿</p><p>Tammy and Mikie are half-human and half-alien siblings, with immense metaphysical powers and a crystal weapon. Their powers are extraordinary alone, but together they are unstoppable. Their father promises to return for them when they reach thirteen ¿ combat age. But at twelve, these two are already too powerful to ignore.</p><p>Tammy has been raised in an orphan camp, under the thumb of a bitter woman who rules with an iron fist. Now she has been adopted and taken to a new kind