第1話: 巨大な侵略者の攻撃の中、竹城タクトは軍用飛行資格の勉強をし、マキは研究の協力を求める。

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The world is reeling from the constant attacks from unknown invaders (think 4 story tall attackers), and Earth does not appear to be faring well with all of the casualties from the unexpected attacks. Studying towards military flight status is the talented metallurgist Takuto Kaneshiro, who is enlisted by his girlfriend Maki to help with her research. (Source: TheTVDB)