While my younger brother was away, his girlfriend came to our house, so I invited her into my room and when I was about to leave saying, "Then enjoy yourself," she said, "If you have time, why don't you talk?" So we chatted a little, but suddenly the conversation stopped and the room became quiet. Then we suddenly started to become aware of each other... We started to worry about the panties, lips, and thighs that could be seen through the gaps in the skirt...