Space Ironmen

The are infused with Cosmic Energy created by the . The siblings are the first two Space Ironmen created by the Arissia Union who suddenly became sentient on their own. 
The Space Ironmen are an homage to the characters from the Space Ironmen Kyodain series, which was also created by Shotaro Ishinomori.
==Space Ironmen==
===Groundain===
 is the blue car-like older brother of the Kyodain. To begin his act of treason against humanity, he rushes to complete the military satellite weapon: the XVII. He is armed with a powerful cannon built into his chest called the . Groundain is an homage to Grounzel from Space Ironmen Kyodain.
KRFo-Groundain.png|Groundain
KRFo-Grouncar.png|Grouncar
KRFo-Grouncar-Skyjet Union State.png|Grouncar-Skyjet Union State
===Skydain===
 is the red jet-like younger sister of the Kyodain. Like her brother, she gains her own personality and wants to rebel against humanity. She is armed with built-in blades in her arms. Skydain is an homage to Skyzel from Space Ironmen Kyodain.
KRFo-Skydain.png|Skydain
KRFo-Skyjet.png|Skyjet
KRFo-Grouncar-Skyjet Union State.png|Grouncar-Skyjet Union State
===Black Knight===
 is the third Space Ironman created by the Arissia Union who works alongside an agent from the Arissia Union named Inga Blink. Unlike the Kyodain, Black Knight relies more on more defense than offensive attacks due to his strong armor. Black Knight is armed with a rapier called the and a machine gun built-in to his chest. Black Knight is an homage to the evil Black Knight of the Robot Army Corps from the Space Ironmen Kyodain series.
KRFo-Black Knight.png|Black Knight
===XVII===
is a large satellite weapon that has its own will known as the which the Kyodain make it their goal to complete. The XVII is an homage to , which was also created by Shotaro Ishinomori.
KRFo-Space Ironman Ultimate Form XVII.png|Space Ironman Ultimate Form XVII
KRFo-XVII One Seven Formation.png|XVII (One Seven Formation)
===Gunbase===
The are small round drones part of XVII's defense system to guard the inside from intruders. The Gunbase are a homage to the support robot character Gonbesu from Space Ironmen Kyodain.
KRFo-Gunbase.png|Gunbase
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