Overview: Yukina, a sophomore at Tateyama High, visits Kurobe Laboratory when it is suddenly attacked. While escaping, she touches a mysterious cube.
Overview: Kennosuke Tokisada Ouma appears from the cube. He tries to save Yukina but is knocked unconscious. A new large scale geoframe emerges from Toyama Bay.
Overview: Kennosuke, with Yukina along for the ride, is victorious, but the enemy geoframe gets away. He is captured once again but escapes and finds Koharu.
Overview: After realizing the extent of his slumber, Kennosuke is invited by Yukina's uncle to live with the family. The modern world continues to confound him.
Overview: Yukina returns to school, hoping life is finally going back to normal - only to be horrified when she catches a glimpse of the new transfer student.
Overview: Ken and Yukina resume their battle with the Yellow Crab mecha. Classmates Akagi and Kayahara defy the authorities and head closer to the battle zone.
Overview: After the Yellow Crab's pilot takes his own life, Yukina loses her will to fight. At school, she learns that Akagi and Kayahara are still missing.
Overview: As the invaders' demands cause friction, Yukina leaves home to avoid battle. Kennosuke goes to search for her but realizes he knows nothing about her.
Overview: An enormous enemy geoframe appears, but with Yukina missing, the center lacks the power to oppose it. Ken, Akagi and Kayahara continue the search.
Overview: The captured pilot is taken back to the research center and questioned. He says that he came to find a certain object. Ken appears to recognize him.
Overview: The enemy pilot unexpectedly escapes and is able to restore his geoframe. Yukina is ordered to deploy in the Kuromukuro, but runs into him on the way.
Overview: Summer vacation has come, and that means more training for Ken and Yukina, who is improving more than she expected. Akagi hopes to become a pilot.
Overview: Ken's Kuromukuro fights alongside the GAUS to drive off a giant geoframe. Meanwhile, Kayahara's plan for the Culture Fair stirs up excitement.
Overview: Kennosuke has been run through by a woman with the face of his princess. Before she can finish him off, a mysterious figure leaps to his defense.
Overview: The local population begins to evacuate the area, and the school's students are transferring out. Carlos doesn't know what to say about his situation.
Overview: Sophie shows excellent results in the single-pilot GAUS, impressing Ken. Soon, he learns that her parents expect her to leave Japan.
Overview: Graham orders a comprehensive search to find the two missing enemy pilots. Meanwhile, the Efidolg mothership dispatches an additional geoframe.
Overview: Yukina and a reluctant Ken receive their salaries and decide to go to the hot springs together. Rumors of their plans spread through the school.
Overview: The Research Institute panics over Yukina's disappearance. Dr. Hausen makes a surprising discovery. Meanwhile, Sophie receives a mysterious message.
Overview: Ken is on the way, but Yukina is already planning her escape. She encounters Mirasa, who attacks. Meanwhile, Sophie learns more about the enemy.
Overview: Ken and Yukina have safely returned but have no time to celebrate after the research center learns that the enemy mothership will soon land on Earth.
Overview: The enemy blockades the research center. At home, Yukina and the others are educated about the Efidolg and Yukina's missing father, Takehito.
Overview: Ken and Yukina take Muetta to school, causing a stir among the few remaining students. Carlos announces the completion of his movie scenario.
Overview: Seeking the truth, Muetta turns against her former comrades. Realizing that the deciding battle is approaching, everyone makes their preparations.
Overview: Ken and Zell are shocked to learn of a power that can resist the enemy. Everyone at school is tired of waiting for Yukina and the others' return.
Overview: Through the fight with the Efidolg, the characters find themselves closer to their aims. Kennosuke discovers the path he must walk.