Karen accidentally discovered a small piece of paper in her boyfriend's pocket, which was a piece of paper sent to her boyfriend by a female employee at the "soap brothel". It turned out that the boyfriend she trusted so much often went to such places to play with girls, and even cummed into her pussy. Too angry, she immediately interrogated her boyfriend as soon as he returned, the evidence was sufficient, so he also admitted it. Knowing that her boyfriend likes sex so much, Karen immediately thought of a way to keep her boyfriend by her side. It's for him to fuck her non-stop! And from there, she forced her boyfriend to fuck her whenever she could. Constantly "discharged" semen into her pussy so that she no longer had the strength to fuck another girl. To be sure, she also bought a "cock lock" and wore it for him, insisting that this cock belonged to her alone...