As Manatsu and her friends go on a mountain hike, the Witch and Butler discuss the current situation and Laura, owing to the lack of Motivation gathered. Meanwhile, the Tropical Club discuss more activities they can participate over the summer vacation, and end up discovering Laura is absent. As such, they all look for the mermaid, with Minori finding Laura at the school's library, reading The Little Mermaid. Later that day, Manatsu encourages Laura and tries to hide her identity as a mermaid from her home-coming mother. That night, Laura decides to try discovering more of the human world...