Football-big brother protects fat sister.

NB: This story is for ADULT amusement only. It contains themes of incest/taboo sex and of an adult, explicit, SEXUAL nature.

Enjoy.

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My sister has gigantic tits. Since Shelly is only 5'4" and weighs 300 pounds, small boobs would look very strange. Shelly, who insists that she be called Shelly instead of Shel, is 22 and has always been fat. I'm her older brother, Jared (she, of course, calls me Jar), and 18 months older. Since Shelly is really smart, skipped a grade, and the way our birthdays align, from the 5th grade on we were always in the same class.

Shelly has big,...