I followed the routine. At evening , Seema told me she had her periods. She was horny but , she did not want me to touch her.I restrained myself.In cl...ss I found teacher monitoring almost all my actions.She must also have realized increasing distance between me and Seema , for we did not talk in class. But she may not have realized that I was monitoring even her slightest eye movements.It gave me a good exposure of her nature. Just in 4 days time I was able to guess her behavior from her hand. A seventeen year old girl whom I recognized from somewhere raised her hand and asked “Can I have a go”? My boyfriend gave her the pump and positioned the base over my pussy again creating a good seal and saying “Don’t you dare take it easy on her”. “Believe me, I wont. She stole one of my bf’s and now it’s time for payback”. The people watching in that small, brightly lit lounge laughed at this. Now I remembered where I knew her from. The thought that I was totally at this scorned girls whims. I gave in for some time and after a few seconds, I started moving against him, buckling and lifting my hips in tandem to his movements. This got him really hard and he increased his pace of stroking me. This time, when I tried, I could get my hands down and onto his back and started scratching him with my nails and also biting him on the shoulder occasionally, digging my nails into his butt at times to get him deep inside of me, in the midst of our mind blowing sex.He stopped stroking me and. Aur fir jab lose hui to orgasm ki dhaar nikli. Nidhi ko maine itna jor se cum karte hue kabhi nahi dekha tha. Wo thik se khadi bhi nahi ho paa rahi thi. Maine use sidha kiya aur meri taraf face kiya. Uske pura face pasine se bhara hua tha aur uski aankhe bandh thi.Mera toh abhi nahi hua tha. Maine Nidhi ko uske pith ke bal balcony ki deewar se sataaya aur fir ek baar uski chut me lund daala. Aur use chodne laga. Nidhi baar gir rahi thi. Uski puri takat khatam ho chuki thi. Main use 5-7 minutes.