Gaiking: Legend of Daiku Maryu
Five years ago, the main character, Daiya Tsuwabuki, was on a fishing trip with his father when giant monsters attacked. Daiya was saved by the crew of Daiku Maryu. In the present, Daiya believes that his father is still alive but no one believes him, not even his own mother. But when the same monsters attack the city, Daiya becomes the pilot of Gaiking and joins Daiku Maryu as they go to the world of Darius to stop them from taking over the earth.
