Karin finds a venue for a traveling aquarium at the pediatrics ward of the local clinic. The head nurse there has a fear of crabs.

Fuuka has returned to Okinawa to find a dejected Kukuru, struggling to do well at work.

It’s been a while since Kukuru and Fuuka had the same day off, so they host a get-together with their coworkers.

A dolphin is lost in the waters near Tingarla. Kukuru is eager to check up on it, but she is busy preparing for an upcoming project proposal, so the staff take turns visiting the dolphin.