A mysterious disease spreads around the world. If people get the disease, cherry blossoms will bloom on their body and they will die. The cause or possible vaccine for the disease does not exist. People begin to accept the disease as part of their daily lives.
A comet is about to destroy the human race in a few months. Three sisters who have been living separately for a long time, come to live together after the death of their father. Will they once again become a family right at the end of the world?
