Suda-Doaka World" is said to be in a different time and place from the present. It was a mysterious world where humans and MS, as well as fairies and monsters, lived in harmony. One day, however, the world was transformed into a dark place by the appearance of the Demon King Satan Gundam, who descended with a thunderbolt. Finally, the evil's hand extended to a remote kingdom, and the king's beloved daughter, a princess, was kidnapped by Satan Gundam's minions. The king, in his distress, summoned the legendary knight Gundam to his castle and ordered him to defeat the Demon King. "I will surely rescue the princess and restore peace." Knight Gundam swore to the king and left the castle with a priest and a warrior. What stories will the heroes tell at the end of their great adventure?