"This is the first time I've ever had such slow, piston-like sex!" "It feels better than I expected!!" said her best friend, climaxing with an ecstatic expression! My girlfriend brought her best friend over to my house. To be honest, I was getting bored with having sex with my girlfriend, so while she was asleep, I tried to flirt with her best friend in a naughty way... At first, she gently refused, saying it would ruin our friendship, but I pushed a little further...