Yurika" looks mature, but she has an intense eroticism inside. Unsatisfied with the sex she is having with her husband, she becomes infatuated with his best friend's cock, which has a silicone ring inside. The pleasure is too much for Yurika, and her brain and body go into a runaway mode, and she becomes pregnant with someone else's penis. But that was her husband's plan, who could not get enough of her. Yurika's mind goes blank when she finds out the whole story, and when she comes to her senses, she is confronted with an unbelievable scene...