My first encounter was before our parents got married. We were at a one of their friends birthday party sneaking alcohol and generally avoiding boring...conversations. Like the adults we were both drunk when I realised she was notably absent having gone to the bathroom a while ago.I found her slumped in an armchair and shook her shoulder to wake her up. No response at all. Nervous that we would be busted for stealing alcohol I tried harder, still no response. My brain engaged as I realised the. "Slut, bitch whore" I kept saying. Then I dropped the dildo and started to slap her ass with my hand. I felt her beautiful ass wiggle and squirm with each slap. She liked it, I knew because her cock now blossomed into a large erection. I could not help but notice how soft and hairless her silky skin was and I mean every where. Next I ordered her on the bed on all fours. I took my time lubing up her boy cunt. First my thumb then my index finger, I fingered here brutally but that was nothing. I would do anything for my sister and anything to protect her and her family. So when she came home from work one day quite distressed, I became quite concerned. I asked Cheryl, my sister, what had happened, and she shared that her boss had essentially threatened to fire her if she continued to refuse her bosses advances. Cheryl was crying at this point and I was becoming more and more angry by the minute. I hugged Cheryl tightly and told her not to worry, that everything would work out. The. I have masturbated in office also.Once i have masturbated in auto in which two girls sat beside me with out their knowledge. At last one girl understood that i am doing some weird thing. but my stop came i get down auto. And in private bus from Hyderabad to Vijayawada bus also night time I masturbated.This is another real incident happened to me with my cousin sister who completed her B tech in Vijayawada and came to Hyderabad for job. She is staying in girls hostel. Me and my brother are.