The Aquatope on White Sand (2021)

The series follows the story of an 18-year-old high school girl, Kukuru Misakino, who earns money by working in an aquarium. She meets Fuuka Miyazawa, a former idol who lost everything and ran away. Fuuka will then spend her days in the aquarium thinking of her struggles and everything else in mind. However, the possibility of shutting down the aquarium is fast approaching, as the girls explore the world around them.