#272505 - On the way home we would stop at the picnic site for sex one evening Sasha screamed and said someone looked in the van, l got out and asked the bloke what was he playing at when another bloke stepped out the bushes saying they had been watch me and my girlfriend then the pair explained the place was a dogging site, l didn’t know a thing about dogging and after enlightening me to what it is, l got quite turned on thinking they were watching me and Sasha. I lay holding my shaft upright for her to impale herself, Tina slid down my pole and rode me like a wild woman, l yelled ‘lm about to cum’ my sister ignored me and carried on lifting herself up and down my shaft, l repeated ‘lm going to cum’ Tina flung her head back and yelled ‘fucking do it’, so l did, l began pumping the contents of my balls into my sister’s womb with each sticky load she forced herself downwards to increase the load l shot deep inside her, Tina didn’t stop lifting herself up and down my shaft till l had completely f