The aquatope on white sand

Kukuru Misakino, an 18-year-old high school girl working at an aquarium, meets Fuuka Miyazawa, a former idol who lost her place in Tokyo and ran away. Fuuka will spend her days at the aquarium with her own thoughts in mind. However, the aquarium is facing the crisis of closing, as the girls explore their dreams and reality, loneliness and friends, bonds and conflicts.