Akai confesses that he wants to elope with the blue girl, but he defeats Ginjiro for denying his feelings for Sora. Both Sora and the blue girl attack the blue sky beast on the sky vessel. Seikichi takes Ginjiro back to his shop to help him recuperate. As Akai and the blue girl follow a weakened blue sky beast inside the sky vessel, Seikichi, Sora, and Ginjiro soon trail right behind them. It is uncovered that the blue attempted to split her consciousness in half, which is a serious crime on her planet. The three tail behind Akai with the blue girl into the control room. However, the blue sky beast absorbs and blasts Seikichi's rockets, heavily wounding the blue girl. Seikichi, after Ginjiro opens a portal inside the blue sky beast, manages to destroy it using his last rocket. Seikichi, Sora, and Ginjiro abandon the sky vessel when the self-destruct sequence is activated. Even though he wants to stay with her, the blue girl ejects Akai out right before the explosion occurs.
巨大龍星の上で、銀次郎と赤井が対峙していた。切りつける赤井に、よける銀次郎。しかし、青い女のためだけに生きようとする赤井の気迫に、迷いのある銀次郎は気圧されていく。「自分の心の鍵は開けられないのか」と銀次郎の動揺を誘った赤井は、ついに銀次郎に深手を負わせるのだった…。
