私の恥ずかしがり屋の義理の妹は処女で、初めて彼女とセックスして彼女のお尻に射精するように私に頼みます。

I find my shy stepsister a little sad, she tells me that her boyfriend has asked her a couple of times to have sex and she has not wanted to because she is a virgin and she is afraid. I advise her, I tell her that if she wants I will explain to her what it is like and I invite her to make it very rich so that she can do the same with her boyfriend. She agrees and it's the best sex of my life.