Danchizuma: Furin Marumie (1991)

Overview

A woman has recently married an adult toy manufacturer. He researches new vibrators in the product development department. She hopes that if she marries such a man, she will be able to use the vibrator as much as she likes and have fun every night, but her husband never uses a vibrator on her. She is extremely dissatisfied with this. Meanwhile, her husband's boss, the section chief, is currently developing an anal vibrator, and in the name of experimenting with it, he only uses the anal vibrator on his wife. Her boss's wife wants him to use a normal vibrator, but she is dissatisfied that he only uses it on her anus. As the wives were talking about this, the new wife expressed her interest in anal vibrators, so they decided to swap husbands and have fun with the one in the front and the one in the back. They immediately decided to swap wives...

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