When her tentacles cramp, Squid Girl is saved from drowning by the lifeguard Goro.
Hearing the lifeguard's job is to protect the sea, Squid Girl feels a sense of comradery. However, in reality his job is different from what Squid Girl, who plans to subdue humanity, imagines.
Screwing with his work), an opportunity for her planned revenge on the Goro appears before her, but...
Squid Girl, having taken interest in some humans celebrating a birthday party, sets her own birthday and demands that they hold a party for her.
Chizuru graciously decides to hold the party immediately and begins to prepare with the other members of the Lemon. But when Squid Girl sees this, she...?
Eiko's classmate, Sanae, brings her dog Alex to play at the Lemon.
Being jealous of how Eiko dotes on Alex, Squid Girl demands the same treatment, (but is unintentionally handled with like an actual dog) by Chizuru.
Seeing this, Sanae invites Squid Girl to her house. However...