Step sister herself got fucked to get rid of brother's masturbation habit video

Mom dad of these two step brother and sister had gone out to the village for a few days. Being an elder sister, the responsibility of brother had fallen on him. One day brother is masturbating while watching a porn movie inside the sheet in his room when his sister enters the room. Seeing brother in this condition, sister feels awkward. Brother also feels guilty. But sister understands him that she needs a girlfriend.