We met little time after the course.. we started at to talk ourselves and then we started to dating .." and makes me a bit the tongue from out :-P. i ...ust say that this boy of our course was been good at "grabbing" my sis at the most opportune moment because in our life, as we know, there are many things between phones and socials, and then he was to good knowing, also by hearsay during the course :-P, of the sentimental situation of my sis in that moment there during the course, at the end my. "What are you doing?" she whispered as heat pooled in her stomach."Remember what I promised?" he growled against her ear as he tightened the sash until she was standing on her tip-toes. He sighed with pleasure as he stepped back and slowly parted her robe to reveal her lush curves. "Damn, Lisa you look good enough to eat." He growled as he ran a finger over her breast and then down her stomach.Stepping over to the fridge, he pulled open the freezer door. Rummaging around he finally found what. I quickly put on my makeup and wig. (I had lots of practice at Tom’s insistence)I peeked out the door and Tom saw right away. Hey guys! He yelled, we have a special hostess tonight so please let FiFi know when ever you want anything. He motioned for me to come out.I slowly walked into the room and two very macho jock types roared with laughter.All through the pregame I fetched beer and snacks and picked up the odd thing they would knock over to see me bend over. They would slap my ass as I. . But thats what I admired about her.. !!I was studying biology with her as are biology students.. We had a chapter called reproduction where we had all sorts of things I do not attend classes so I had so many doubts I started asking it to her after so much of hesitation and even she cleared it with hesitation she was explaining the things so well that it got into my head in a jist..The day was gone even the next day I had doubts about the heading vagina.I asked her she was bit scared annoyed.