Step-son's intense doggy style sex leaves me weak and covered in cum

Step-sons came over to my house and we started fucking in the bedroom. We were both naked and he was on top of me. I was on my knees with my ass up in the air and he was fucking me hard. He was hitting my pussy hard and I was moaning in pleasure. He had a big cock and it was making me feel so good. I could feel his cum inside of me and it made me weak. He finished and I was covered in his cum. It was a hot and intense fucking session and I loved every minute of it.