I taught her about it after our first night only. My sister was reluctant to suck me today. I will tell about it in the later parts.I pulled off the f...oreskin of my cock, it was a bit painful. I took a breath and tried to insert it. Damn, it as very tight to enter the sister’s virgin pussy. Oh god, only the tip of cock has gone in. I pulled out. Again with some more force, I pushed in. About half of my cock went in. I could see my sister shedding tears in pain.But still, she tried to smile. So you lads pair up and rove the after compartments looking for damage and report in ok?” the Chief Stoker in charge of the section base explained.The DC teams paired up but there was an odd number. The Chief looked down at his clipboard.“Nyland, prove!” Mike raised his hand.“You get over here with me as the incident board marker, you take Nyland’s place,” he said to the spare hand.Mike was happy to be left in the section base drawing on the incident board, which was a big schematic of the. Well Nisha got another glass and offered me beer – I said “NO” but she said smiling “please for my sake”. I said OK and now we all sat down and then Satyam got up and said that he is going down to get some snacks to eat with the drinks. Saying this he left the flat. Now we both were sitting alone – Then Nisha broke the silence and said “Don’t you enjoy watching blue films? I said “yes I do” – the she said “Then why did you go away from the room – or were we not doing it properly”. I had no. So I went into your closet and grabbed a nice skirt with a wide black belt and a mauve blouse. Then to a drawer and got a slip;panties and stuffed a bra with socks. When I looked into a full length mirror I had the most amazing; baffling; exited feeling. Since then I would dress up when you went out to shop or bingo. I hope you are not upset about it." How could I be upset with a son who so likes the way I dress he dresses the same?" No I am not angry at all. I am interested as to why you like.