[DeepL Translation - needs review] Volume 1 Introduction: Shuji and Chise are high school students who are in an awkward but innocent relationship. One day, when Sapporo is suddenly hit by an air strike, Shuji meets Chise, who has transformed into an unexpected form. She has wings growing out of her back, flies at speeds of Mach 2, and is an "ultimate weapon" modified by the Self-Defense Forces with incredible destructive power. That was Chise. Whenever conflicts break out around the globe, ...
