The Seminar of Sins
Read the storyA red-head wife named Amanda finds out that her husband's friend, Allen, can fuck for hours and hours with unmatched stamina, and that he has a mammoth 9.5 inch cock that is thicker than her wrist. She gets curious, and eventually Allen takes the opportunity to seduce her. They both have marathon sex with each other while Amanda pretends to be on a weekend long seminar course for her career.