I was standing inside the documents room watching these events take place.I got an erection wanted to fuck my mom badly. But then I didn’t want to g...ve her a shock that she was fucked by her own son , so stayed inside and started jerking.They took the nightie off of my mom which left her in bra and panties. One of them put his hands on her bulged ass and started spanking her ass cheeks till they became plum red.The other one removed her bra and started licking her nipples. My mom was turned on. Muzhe bole Doctor sahib aap aaram se rehana,Mai 10/15 din mai aajata hu. Jaate jate Mrunal didi ko bole kal ka appointment miss mat karna. Dusre din Jiju subha chale gai. Breakfast karte samay maime didi ko pucha konsa appointment hai, to didi ne bataya kuch nahi thoda personal hai, Mere jada force karne pai didine uski personal problem batayi. Mai bhi didi ke saath Dr ke paas chala gaya, magar clinic kuch unknown reason se band tha. Baad mai hum ghar pohache didi pareshan thi, Maine kaha didi. (As you all know that horror movie contains some hot scenes I used to enjoy it).And we completed boozing by 10:30 with lots of chit chats. (Not on sex of course). After watching the movie, I was little bit horny and I was just waiting for my cousin to go to sleep so that I can masturbate myself and sleep well. .Well we both went to bed and to say about my room, it was a 1 bed room with a kitchen and toilet. And we have two beds one for me and one for my cousin and he kept on chatting with me,. I just ignored by saying that i don’t have hard drinks she just went to the kitchen & bought to canes of due ( cold drinks ) & one cane of bear for herself. We just contained our chatting she just turned the topic to whether i am having any girl friend i said no ,she replied now you are in your graduations you should have someone because there is time for everything & we should do it . I just saw pallavi she was sitting quietly & hearing our conversation. It was about 10:30 i just stood up and.