Shiroi Suna no Aquatope is an anime series that follows the story of Kukuru Misakino, an 18-year-old high school girl working at an aquarium in Okinawa. The series explores themes of friendship, dreams, and the beauty of marine life as Kukuru meets Fuuka Miyazawa, a former idol who finds a new purpose through their shared experiences. Together, they navigate the challenges of running the aquarium while discovering their own personal growth.