Ep. 13: The council learns world structure while Karl reveals identity and plans to rescue Nina from Sky Clan.

Representatives discover their world consists of three bedrock-supported layers separated by waterfalls, with the End of the Sky recycling water into the Holy Spring. The fleet navigates this barrier, surprising everyone. Luis summons Kal-El, revealing to Admiral Merze that he is actually Karl, the presumed-dead former crown prince. Upon returning, Luis addresses the stunned populace, presenting Karl, who vows to retrieve Nina from the Sky Clan and declares his love for her. This public display is orchestrated by Foreign Secretary Amelia to garner support for their mission. After graduation celebrations, time passes, and Karl serves as a military pilot. Before departing for his mission, Ariel punches him, revealing her conflicted feelings. The combined fleet approaches the Sky Clan, who await them, preparing for another aerial battle.

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