Last Exile - Sunadokei no Tabibito

Synopsis:

After the first "Last Exile" series, Claus, Lavie, Alvis, and our other heroes board the colony ship, Exile, to return home to the planet humanity abandoned hundreds of years ago. A few months have passed and the quiet, peaceful life they had hoped for is suddenly disrupted when a familiar enemy appears. How did the enemy they left behind a world ago follow them all the way home!?