[Uncensored] SW-394 Don't Look at My Panties! A Jealous Little Sister, a Schoolgirl, and Her Slutty Friends. My sister, a high school girl, was playing with her friends, and when I saw her friend's panties, my sister got jealous and said, "You're such an idiot, brother!" After saying that, she left and asked her friends if they wanted to see more. After she said that, she approached us, and then we had sex.