Can't You Knock?

An erotic short story. This story is so hot, the rules don’t allow it to be described completely. See the look-inside for the full description.
Eighteen-year-old Zack comes home to find Shannon having a slumber party with her beautiful cheerleader friends. But a few minutes later, one of the girls walks in on him having an intimate moment with himself, which sets off a series of events and a wild night of sexual action. But will he be able to satisfy his forbidden desire for Shannon?

Contains graphic descriptions of taboo sex. Adults only.

16,003 words, or 65 standard pages, in length. (Not including supplementary material)