You hear your stepsister crying about your stepDaddy leaving you guys for good. You want to cheer her up. She confesses that StepDaddy and her had a very special relationship, a very secret one no one knew about. You get the idea of what she is talking about after she shows you her breasts and jerks you off. You want to also have this kind of special relationship with her and so you agree to have sex with your stepsister. Your stepsister definitely is cheering up and feeling like this is a start to a new special relationship that was similar to how stepDaddy made her feel.