The Inspectors have taken over the major military bases of the North American Reion, and the Federation Government and military are plunged into chaos. Meanwhile, Archibold of the Neo D.C. forces takes over the Riksent Duchey to secure military funds. The Battle Carrier Hiryuu Kai has descended to Earth, and met up with the Hagane. Kyosuke, Excellen, and the other pilots launch a mission to recover Riksent from Neo DC. Rai, whose sister in law was killed by Archibold, corners him enraged, but the group is endangered. Then Latooni and Shine's new armored modules, the Fairlions, appear...

The pilots of the battle carrier "Hiryuu Kai", which fought with the Hagane during the DC and L5 campaigns, are undergoing training. Katrina's Octo Squad, Tasuku, Leona, and Russel, each launch in their own units. Meanwhile, the space fortress "White Star", formerly the base of the aerogaters that attacked the earth, is attacked by a mysterious force. The force also appears at the Mao Industiries moonbase, and Ryoto, Rio, and Rin, who are loading a new unit for transport, recieve a message. "Hand over the Huckebein."

A blue special unit appears in front of the Hagane's pilots. It's pilot calls Kyosuke "Beowulf". Later, the Hagane stops at Aviano base in the Meditteranian. Tehre, Kyosuke, Excellent, Rai, and Latooni are given a mission to guard aparade during an environmental summut in the Dukedom of Riksent. When they arrive, they are greated by princess Shine. Latooni is overjoyed to see her friend again, and Kyosuke and Excellen enjoy a rare date in between their missions, but...

The Shirogane is damaged in its fight with the DC remnants. Kyosuke begins to wonder at the enemy's overwhelming firepower, and suspect the existance of a 3rd party behind the scenes. Meanwhile, at the massive underground Earth Cradle, DC's headquarters, forces are steadily gathering...

To Latooni, Arado and Seolla are old friends fom the Special training organization "The School". Ryusei and the others meet up with the ATX team, and persue the DC remnants. They're stopped by Seolla in the Wild Falken, and Latooni goes after her, but...

A mock battle betweent two prototypes is underway at Izu base. Ryusei of the SRX team is piloting a simplified mass produced version of his own R-1, the R-Blade, and Latouni of the special tactics instruction squad is piloting the Wild Falken, the new unit from the ATX plan. Meanwhile, Archibold's DC forces send Yuki's squad to recover the prototype. Two of the members of his squad are Arado and Seolla, young pilots trained at a special institute called "The School". Latooni, who once attended the school herself, encounters Seolla on the battlefield...

In the era known as "New A.D., six months after the "DC War" against the military organization "Divine Crusaders', and the "L5 Campaign" against the extraterrestrial foes known as "Aerogaters"... Lt. Kyosuke Nanbu's Earth Federation PT Squad "The ATX Team" heads to the far east to defeat the survivors of DC. In the middle of the fight, he and his partner Excellen witness the sudden arrival of a new humanoid weapon. This new angel-like machine, is it a friend or a foe?