Amate Yuzuriha, a high-school girl living in the Izuma colony, meets a female courier named Nyaan.

Amate meets a boy named Shuji, who pilots the Red Gundam. She can’t forget the sensation of the glowing universe they experienced together and suggests forming a MAV to enter the Clan Battle. Amate decides to use the entry name "MACHU."

Annqi discovers Shuji’s hideout. Information about the Red Gundam is worth more than any Clan Battle prize money. Machu finds out that Annqi schemes to sell that intel during the Clan Battle. Earth Federation forces’ intelligence agency finds out about Kycilia’s top secret information decides to…

To stop Yomagn'tho from causing destruction, Machu takes on a mission from Challia Bull to rescue the girl of rose. However, Kycilia makes her move first. Nyaan’s mobile suit, the GFreD, begins activating the Zeknova cannon. Its target: all of humanity on Earth—

This is the end game. A white mobile suit appears from the other side, attempting to kill Lalah. To Machu’s shock, the pilot of this White Devil is none other than Shuji. Determined to protect Lalah, Machu becomes a MAV with Nyaan and decides to fight Shuji.