Masami and Kasamatsu are passionately seeking each other in an apartment in a corner of the downtown area along the Sumida River. They had an affair. They declared divorce to their respective spouses and began living in this apartment in search of a love nest just for the two of them. However, there was no way that her new life after being unfaithful would go well from the beginning...

A woman bored with her lover starts an affair with the college friend of the deceased husband of her best friend by pretending to be the widow.

A young wife, not satisfied with her ordinary married life with her husband, decides to take on an adventure with a young man. She is supposed to enjoy a fleeting adventure, but she discovers for the first time the joy of sex that her husband can never experience, and completely forgives her body and mind. The fate of a woman who falls into the sweet "trap" of a devilish man who owes her a large sum of money, and whose life continues to escalate as he tries to collect her loan money...

Ryoko is suffering from sleep deprivation due to her daily intimate encounters with her fiancé, Hirata. One day, she jumps into a taxi just before being late and meets the driver, Akira. Meanwhile, at the hospital, the director is plotting to marry his daughter, Yuka, to Hirata. After much deliberation, Hirata chooses Ryoko, but an enraged Yuka slips an aphrodisiac into Ryoko's drink...

Without knowing their names a man and woman have sex. Afterwards they introduce themselves and begin an affair. The woman feels empty without a man. The man is married with a child but he needs more than what his wife can provide.