First time singing karaoke with a cozy embrace

I flushed with anger towards her and embarassment at the situation. I watched my friend raise his eyebrows and flick his eyes down to my sisters pajama covered crotch then back to her face, the other 4 of my friends doing exactly the same as he calmly and cheekily said “what kind.” Again almost untracably i saw a flicker of amusement cross my sisters face “its hard to explain” she said with her voice ever so slightly less irritated. Tnaflix This really was the point i expected Louise to draw the line but she actually broke a smile for the first time since entering the room and pulled her PJ bottoms down a little the the front showing the top of her panties to the 3 guys who were sat in front of her who all whistled, laughed and stared as she began to laugh too, i was sat behind her on the sofa with my 2 buddies who could only see what she was doing from behind and thus we saw no panties. It was only my sister and me in the house for a few days and she had agreed to stay out of our way and asked me to try and keep the noise down. I flushed with anger towards her and embarassment at the situation. The guy sat next to me gestured toward her groin and saying “well…you keep that area well looked after clearly! But her face remained calm and she stared at my friend as if she was trying to stare him down, he sat smirking and remained undeterred and amused