The year is 3394. The solar system has been long destroyed by a strange alien race called Gauna. Now humans are barely maintaining population in their seed ships - the ones they also used to escape a thousand years ago. After several years of drifting though space, Sidonia, a seed ship with a population of over 500,000 people, is once again threatened by Gauna. Follow Tanikaze Nagate, a mysterious young man from the deep corners of the ship, and his friends as they try to strike back against
