A couple who have been together for a long time and are a bit bored. In order to break this situation, her boyfriend proposes a threesome with a stranger. Naturally, she refuses, but she gives in to her boyfriend's pressure and decides to meet a man she found on a website at a hotel. Her body and Kokoro gradually relax with the man's gentle and experienced skin-to-skin massage. She tries to hold back before her boyfriend starts filming, but she ends up feeling it. She silently cums with the stranger's caresses! She even gives a double blowjob to both her boyfriend and the man's dick! She tries to hold back during her first threesome, but she cums many times with both her boyfriend and the man's dick. Finally, she proposes a threesome to her boyfriend! What's more, the man is a muscular man who is a gym trainer for women. Her boyfriend is confused, but he reluctantly agrees. When the play begins, she is made to cum over and over again by the muscular man's intense caresses in front of her boyfriend's filming. Even if her boyfriend stops her, it's too late! She cums with a blowjob that takes a dick bigger than her boyfriend's deep in her mouth! The excited man and her girlfriend have sex without permission! She cums repeatedly and intensely with the intense pistoning that her boyfriend can't do, and even gets a creampie?!