One day, a beautiful and slender sister moved into the apartment next door. That night, as I got into bed, I heard suspicious noises coming from the other side of the wall. Listening closely, it was the sound of a man gasping...! And it was the voice of that sister making men writhe in pleasure. The next day, another man's gasps... My M-tendency mind kept swelling with lewd fantasies that wouldn't stop. One such day, I accidentally ran into the sister from next door at the entrance and she invited me...
