私の義理の妹は、彼女の部屋でパンティーで自慰行為をしている私を驚かせます。

My stepsister discovers me when she enters her room and observes me masturbating in her underwear, she realizes it complains to me why I do that, I seduce her and say that I like the smell of her panties too much and I end up fucking her hard until I cum.