Ep. 9: Chiyu Haebaru arrives as new caretaker while Kukuru acts as her reluctant coach.
Aired on September 3, 2021

Chiyu Haebaru, a new caretaker training at the under-construction Tingarla Aquarium, arrives for duty. Acting on her grandfather’s instructions, Kukuru is assigned to serve as Chiyu’s coach. However, Kukuru opposes the new aquarium project and views Chiyu as a rival, testing her at every opportunity. Despite these conflicts, the two fail to get along. Consequently, they begin walking penguins together alongside Fuuka, continuing their strained dynamic while performing their daily tasks.
Episodes
- 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.
- Ep. 10 · Kukuru seeks to promote Fūka's aquarium illusion despite opposition while Fūka faces a film role offer
- Ep. 11 · Kukuru and Fuuka Lock Themselves in the Aquarium During a Typhoon
- Ep. 12 · Gama Gama Aquarium's final day brings visitors and staff farewells before closure
- Ep. 13 · Kukuru Starts Work at Tingarla Aquarium After High School Graduation