scifi apoctalyptic mystery with an underlying tale of love that leads to a coming of age // plot: aliens apocalyptic setting where aliens have invaded, the world is crumbling, and there is inevitable death. so a a sister and a brother with roller skates roams the world and finds more than what he's looking for. // aliens: leader of alien group: Ifra main alien antagonist: Erza main protagonist: Alvin/Al