Kentaro Katsura

Miyuki is married to a man who has a son named Kazuya—a young man currently studying for university entrance exams. One night, while Miyuki is masturbating in the bathroom, she catches a glimpse of Kazuya on the other side of the changing room. A few days later, she spots him in a park restroom, pleasuring himself while calling out her name...

Akiko is the heiress of a lumber business family that spans many generations. She married Hiroshi, a company man, and was leading a plain and happy life. But dark clouds overcast Akiko’s happy life when Hiroshi starts an affair with Michiyo, an underclassman from the school Akiko attended. Then Shinji, who used to work in the family lumber business, enters her life the turmoil of men-women relationships becomes tempestuous.

The Kanasugi gang, which had made its living from construction and street vending, had lost power to the IT-savvy Naito gang. Now, all that remained was the debt owed to the Naito gang and the wife of the gang leader, Kanasugi, Tatsuko. The couple reluctantly began preparing to flee, but were discovered by the Naito gang. Two years later, Tatsuko, having repaid her debt with her body, was dismissed by the Naito gang and went to live with her parents.

Yumiko lives with her son and former boxer Keigo, and is on good terms with her neighbor Ryoko. Ryoko is having an affair with aspiring novelist Mukai, but it seems to be approved by her husband. One day, by chance, Yumiko and Mukai end up having sex...