Soukyuu no Fafner: Dead Aggressor - Heaven and Earth

The story takes place two years after the events of the original Fafner in the Azure series. Tatsumiya Island is slowly recovering from the devastation caused by the Festum. Kazuki, who suffered injuries in previous battles, is struggling to cope with the loss of his friend Soushi and the promise he made to him to return to the island and rebuild. The arrival of Misao Kurusu, a mysterious individual claiming to have been sent by Soushi, sets off a new chain of events and rekindles hostilities between the Human Army and the Festum.