His only daughter, Setsuko died in an accident, and his gran-daughter Natsu left home to live with her couple, leaving only Hitoshi in Kimoto's house. His wife has also already left this world.
Shinichi and his younger wife, Saki (Marina Yuuri), are newly married, but Shinichi's thin salary makes life difficult and Saki is looking for a part. After that, Saki, who won the public corporation apartment that she applied for in commemoration of her engagement, becomes close to a woman named Mika who lives in the room next to her and lives with her unemployed husband. One day, Mika learned that Saki was looking for a part, and brought a bottle of umeshu, which her parents had made. And Saki knows that this plum wine is Mika's source of income that supports her husband who is unable to get a job...
Natsu (Maria Wakatsuki), a female college student, had a physical relationship with the fairness of her circle friends, even though she had a boyfriend named Shugo. However, just because fairness is more compatible with the body than Shugo, there was no particular feeling of love. Natsu sometimes asks herself, "Why do you fall asleep with a man you don't like?" At that time, I used to talk to my friend Noa (Maina Yuuri). However, one day, an incident occurred in which Noa's ex-boyfriend Masaya committed suicide in front of her because she was angry with Noa...