ลูกพี่ลูกน้องสาวของกูไม่เชื่อเลยว่าฉันมีควยใหญ่ขนาดไหน!

I was sitting at home playing a video game console. Then my stepsister came and noticed that my penis stood up slightly. I was wearing jeans and it bulged out a lot. She noticed it and started pestering me and asking me to show it. I couldn't refuse her...