Two years have passed since the catastrophic event known as the "Continent's Dropping" from the first OAV episode. Yumemi still has not forgotten her ability to see the world above, but ...
At Krevchencovich’s dying request, Alex Z travels to his camp, the Alien Compound. Unbeknownst to Krevchencovich, the virus has already spread there. In addition to that, flashbacks let ...