Yuko passes through her free sex period and marries Yusaku Aisaka for a limited time. During that time, Yuko had intended to have more sex to her heart's content, but she was unable to satisfy Yusaku's limit of energy.

Eiji is the mistress of Nozomi, the widow of the company president, and if she asks, he will even ignore his wife Reiko. Reiko, who senses that her husband is cheating on her, also rekindles her lewd relationship with her boyfriend from college. The couple, who were supposed to be enjoying their own love affair, are faced with an unexpected turn of events...

Hideki is a freelance photographer. His wife Eiko is a beautiful woman who looks good in Japanese clothes. The person who arranged their marriage was Yumiko, a widow and secretary of Hideki's family who came from a prestigious family. In reality, Hideki is impossible. Yumiko knew this and secretly told her girlfriend Eiko to marry her. When Eiko learned of this fact, she tried to leave her house, but Yumiko stopped her, grabbed her, pushed her onto the sofa, intertwined their bodies with her, and caressed her relentlessly.

Gensaku Katori, a managing director at a certain bank, relentlessly criticizes the naked body of his secretary and mistress, Ayako Kimura. Young Ayako's body responds to the technique of this master, entrusting her limbs to her abnormal pleasure, arousing her greedy desire, and unfolding her shameful state. Ayako continues her current mistress relationship as Gensaku is divorcing his wife, Nenko, but she is frustrated that things are not progressing very well.