Ep. 5: Eri visits to take Fuuka home, but she escapes with Kukuru's help to Kame Eatery.
Aired on August 6, 2021

Eri arrives at Gama Gama Aquarium to retrieve her daughter Fuuka. Unwilling to return home, Fuuka escapes with Kukuru’s assistance and seeks refuge at Kame Eatery. There, Tsukimi Teruya, a friend of Kukuru, provides support. Meanwhile, Kukuru remains behind and devises various strategies to intercept Eri and prevent her from finding Fuuka. The situation involves Fuuka avoiding her mother while Kukuru actively works to obstruct Eri’s progress through different plans.
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.
- Ep. 9 · Chiyu Haebaru arrives as new caretaker while Kukuru acts as her reluctant coach.