Kukuru Misakino is a 18-year-old girl who works at an aquarium and she encounters a former idol who lost her place in Tokyo and escaped to Okinawa named Fuka Miyazawa.
EPISODE 1
The Tropical Fish Ran Away
Fuka wanders off to Okinawa after quitting her idol job in Tokyo; she meets Kukuru, who is the director at Gama Gama Aquarium.
EPISODE 2
Getting Wet is Part of the Job
Fuka learns why Kukuru is working so hard to keep the aquarium running; she's asked to feed the penguins for an event, but things don't go quite as planned.
EPISODE 3
Life Begins in the Ocean
With Grandpa out of town, Kukuru and Fuuka work together to feed and weigh the penguins; Kukuru notices something wrong with one of the penguins and decides to call the vet, who is on maternity leave.
EPISODE 4
Tropical Fish in Boots
The touch pool, where people are invited to touch sea creatures with their hands, is the biggest event of the summer at Gama Gama Aquarium; Kukuru, Kai, Kuuya and Fuuka are hard at work preparing.
EPISODE 5
Mother Arrives
Fuuka's mother comes to Gama Gama Aquarium to take her home, but she isn't ready to leave just yet.
EPISODE 6
Sweets Rhapsody
Kukuru and the crew brainstorm for ways to attract more visitors to Gama Gama Aquarium; they decide to try selling some sweets.
Miku Ito
Rikako Aida
Azumi Waki
Shimba Tsuchiya
Yōhei Azakami
Hiroshi Yanaka
Satoshi Hino
Kiyono Yasuno
Mikako Komatsu
Lynn
Masaki Terasoma
