Kukuru Misakino, an 18-year-old high school girl working in an aquarium, meets Fuuka Miyazawa, a former idol who lost her place in Tokyo and escaped. Fuuka will spend her days in the aquarium with her own thoughts in mind. However, the crisis of closing is approaching for the aquarium, as the girls explore their dreams and reality, loneliness and friends, bonds and conflicts.
Two high school girls in Okinawa: Kukuru Misakino, the acting director of the failing Gama Gama Aquarium, and Fuuka Miyazawa, a former idol from Tokyo who has given up on her dream. Together, they work to save the aquarium from closure and navigate the challenges of growing up and finding their own paths, with the story exploring themes of dreams, friendship, and accepting change.