Des：A younger sister is shocked when her beloved brother has a girlfriend for the first time. Her younger sister is jealous of her and tries to use her brothers phone to send her a LINE message saying ``Lets break up and says things like ``I cant believe Im getting a girlfriend even though I have a younger sister! and its really crazy! But while she was asleep and drunk, her sister inserted herself into her and straddled her, shaking her hips! But it felt so good!