I went back to myself, but then looked back at Heather a few seconds later. I looked closely and could not believe what I saw. I could see her hand m...ving under the covers. I looked closer and could see her face. From what I could see in the dark, her face looked cute the way her mouth was opening and her eyes were squinted. A few questions crossed my mind: how long has she been doing this? How did she learn? Does she know if I do it? I became increasingly curious of my sister. As I continued. I could hear her breathing matching tempo with mine. Was she frigging herself with her other hand?I got my answer a minute later as her thrilling digits pushed me over the edge. I gasped as I splashed the inside of my underwear and all over her hand. "Umm! Ahh!" she exulted, tremors going all through her body as she came in response to my pleasure. "Mmm! Uhh! Oh!" She collapsed a little into me as she lost some of her strength, pulling back as she recovered.Giving me a peck on the cheek,. I was in utter amazement.He looked right at me and said now get on your knees and put it in your mouth. I didn't even pause I did as I was told. I put the tip in my mouth and tasted the pre-cum. And it tasted so good. Next thing I knew I was sucking the shit outta that big black cock. And loving every minute of it. While I was sucking it I heard another voice telling me to get on my hands and knees. Now this scared the shit outta me. because when I looked around.The guy behind me's cock was at. After a minute of kissing they parted. Sneha’s face was flushed and she had a smile on her face. “did you like it?” niyati asked. Sneha just nodded. Niyati gave her another kiss and then pulled off Sneha’s top.All of my sexual attraction towards niyati was replaced with anger. How could she do this to my baby girl. I decided to open the door and confront them. I would whoop niyati’s ass for misleading my girl. Enough of this nonsense.As I was about to open the door, Sneha said “I am so glad I.