Ep. 4: Gama Gama Aquarium touch pool event with Sea Queens and childhood friends
Aired on July 30, 2021

Gama Gama Aquarium hosts a touch pool event allowing visitors to interact with marine life. Kukuru eagerly organizes the summer highlight, directing staff including Sea Queen Kuuya Yakamashi and childhood friend Kai Nakamura. Meanwhile, Fuuka, assigned as a guide, prepares despite anxiety about public speaking. Gousuke Guden, another Sea Queen aware of Fuuka's past as an idol, returns from sick leave during this time.
Episodes
- Ep. 1 · Kukuru struggles to save the aquarium while Fuuka arrives in Okinawa and witnesses a strange event.
- Ep. 2 · Fuuka joins the Misakino family at the struggling Gama Gama Aquarium for her summer break.
- Ep. 3 · Kukuru and Fuuka bond while caring for penguins during their grandfather's absence
- Ep. 4 · Gama Gama Aquarium touch pool event with Sea Queens and childhood friends
- Ep. 5 · Eri visits to take Fuuka home, but she escapes with Kukuru's help to Kame Eatery.
- Ep. 6 · Kukuru seeks inspiration to save Gama Gama Aquarium from closing in August.
- Ep. 7 · Aquarium visitors rise as Kukuru faces Kuuya's disapproval and a beach outing with an unexpected guest.
- Ep. 8 · Gama Gama Aquarium staff prepare for a hospital visit while hiding a forbidden crab.