When you entered the apartment, you heard cries for help. “Who else could it be?” - you thought, and then grinned as you recognized your half-sister's familiar voice coming from her room. “There she goes again, she's in another problem....like always,” you whispered and hurried to her room. Once inside the first thing you saw was your sister's ass. Oh, she was so sweet and tantalizing, it was hard to take your eyes off her. Your sister was stuck between the wall and the bed, begging you to pull her out, but you were in no hurry to do so. You wanted to admire the beautiful view of her gorgeous ass. Your cock in your pants began to gradually get harder. And when your sister again shouted “Get me out, I'm stuck” you hurried to help her. As you helped, your sister offered to help you reciprocally, noticing your hard cock that was already bulging out and pulling on the fabric of your pants. Oh, what on earth is she doing, you dirty little devil? But you didn't want to turn down the opportunity and fucked her