Alternative Titles
片翼のドロップス ; Drops of One Wing
Synopsis Henyoku No Drops
The year is 3015, the ocean covers 90% of the planet, and it is normal for humans to fly in the sky. People who cannot fly are called "Drops" (the old generation), and Tsubasa is one of them. She lives in a world where there are almost no stairs or ladders, even though the buildings and space between floors is getting higher and farther.