Knights of Sidonia (2014)

In the year 3394, the remnants of humanity are forced to live aboard massive spaceships after Earth is destroyed by an alien species known as the Gauna. The story revolves around Nagate Tanikaze, a young man who becomes one of the elite pilots of the Sidonia, a starship tasked with defending humanity against the Gauna. As Nagate and his fellow pilots battle the Gauna and uncover the mysteries of their own existence, they must also navigate complex relationships and personal challenges.