After awakening to chaos and amnesia at home, Maze is surprised by the arrival of Mill, who credits her with saving her life. Mill explains that Maze's house inexplicably plummeted from the sky, crushing Mill's pursuers. As they flee from relentless chasers intent on capturing the princess, Maze unlocks her latent magical ability, summoning a powerful mecha tied to Mill's ancestry. Despite initial struggles controlling the mecha, Maze's true potential emerges under the moon's glow, transforming her into a skilled pilot. As they navigate this fantastical realm, more companions join their quest to safeguard Mill and unravel the mystery shrouding Maze's presence in this new world.