Des:A sister-in-law who wants to change her plain self and a brother-in-law who loves her. Her sister-in-law becomes unbelievably beautiful thanks to her younger brothers advice, and she cant stand her sister-in-law and tries to express her love for her, but she refuses, saying, ``Its no good because were siblings... Then...just rub it together...thats all you need..., said her sister-in-law, accepting her desperate request. Then, I inserted it into her slippery wet pussy by accident! ! Once you know the taste of sex, you cant stop each other and do it over and over again! Her sister-in-law also gradually becomes attracted to her younger brother...