​In this episode, Yamato and Sera embark on a desperate search for the missing shrine maiden, Nonoa. They navigate through the mountains using their unique search and rescue aircraft, the dongcopter, powered by Yamato’s engorged phallus. However, a moment of arousal causes a catastrophic incident, leading them to continue their search on foot. Despite the dire circumstances, Yamato’s sexual desires persist, leading to an unexpected encounter with Sera. As they explore further, they come face to face with Filika, who holds complete control over Nonoa and plans to use Yamato’s semen to bear her own demon child. Yamato must now confront his desires and save Nonoa from Filika’s influence.​