Scientific Special Forces member Anna Nakashima could not suppress her urge to fight as she witnessed a space monster destroying the city and her comrades getting injured. However, bound by her superior's orders, she was forced to remain idle. Unable to endure it any longer, she made the firm decision to head to the battlefield herself. In truth, she was once the legendary giant heroine, Sophiel. After engaging in combat, defeating the monster, and safely returning to base, Anna was summoned by the commanding officer. Prepared to face punishment for disobeying orders, she entered the office only to discover it wasn't her superior—but a disguised Zemet alien!? [BAD END]