On the surface, the Kyobashis appear to be a happy family. Despite a family agreement that they are all open with each other, the entire household knows the opposite is true.

Ryo personifies water, since whenever something important happens in her life, it rains. She inherits a bathhouse and meets a pyromaniac named Yusaku. Their confrontation leads to an inevitable union, just like elements of nature blend together.

Hatsuko, who is poor and has no friends, finds emotional support in Mishima, a boy in her class, who helps her with her study to go to a high school together. However, Hatsuko's brother causes trouble at the factory and gets the sack. Hatsuko gives up her dream of going to high school.

A lonely retired girl's High School Principal who's lost his wife to alcoholism moves to an old apartment in a country town. There he forms a relationship with a neglected little neighborhood girl.

Five years after a hit-and-run accident kills his wife, a distraught metalworker comes face to face with the man behind the steering wheel.

The Aso family live in the old town of Nara. One Day, Kei, one of the Aso's twin boys suddenly disappears. Five years later seventeen-year old Shun, the remaining twin, is an art student. He now has to move forward with his life, together with his childhood friend, Yu.