In the past, Princess Yukihime inquires about people who live in foreign lands beyond the sea. In the present, a huge geoframe called the Yellow Crab lands on the coast and heads towards the shore accompanied by many Cactuses. Major Arthur Graham detects the landing of more hostile geoframes in other countries worldwide. Hiromi goes with Dr. Jules Hausen to interrogate Kennosuke, but Kennosuke manages to escape and take Yukina, who he soon realizes is not the princess. He calls upon the Cube, which transports them to the underground storage keeping the gigantic geoframe called the Black Relic. The Cube docks with the Black Relic, which Kennosuke activates as the pilot and uses to smash out of the facility with Yukina onboard as the navigator. The defense forces attack the Yellow Crab with little effect, while Hiromi orders the defense forces not to attack the Black Relic. Kennosuke and Yukina attack the Yellow Crab, but they become surrounded by four sword-wielding geoframes called Ogres. After Kennosuke and Yukina defeat the Ogres, they prepare to destroy the Yellow Crab, but a tractor beam in the sky takes it up to an alien mothership instead.